CN108196899A - A kind of method and device of the establishment of multi-user - Google Patents
A kind of method and device of the establishment of multi-user Download PDFInfo
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- CN108196899A CN108196899A CN201711285048.1A CN201711285048A CN108196899A CN 108196899 A CN108196899 A CN 108196899A CN 201711285048 A CN201711285048 A CN 201711285048A CN 108196899 A CN108196899 A CN 108196899A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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Abstract
The invention discloses a kind of method and device of the establishment of multi-user, this method includes：According to the first instruction received, establishment is attended to anything else user, obtain the UserID for the user that attends to anything else, the user that attends to anything else is Adding User other than primary user under multi-user's frame, the user that attends to anything else is one or more, primary user is default user under multi-user's frame, first instruction is used to indicate the quantity for creating the user that attends to anything else, according to the UserID for the user that attends to anything else, by the data directory of the data directory carry of primary user to the user that attends to anything else, the file attended to anything else in the more evolution cases of multi-user's frame using the user's space that can not access primary user can effectively be solved, ontology application can not access the problem of file of the user's space for the user that attends to anything else.
Description
Technical field
The present invention relates to field of terminal technology, are specifically related to a kind of method and device of the establishment of multi-user.
Background technology
In real life, people often gather around that there are two even more than two wechats, QQ etc. using account, and wechat, QQ
Etc. application programs do not support to open in itself more.Therefore each third-party institution and mobile phone terminal manufacturer respectively develop oneself
Support wechat, the applications such as QQ the framework technologies opened more.Various schemes have pros and cons, the bigger scheme of one of which advantage
It is the more evolution cases of application realized based on the primary multi-user's frame of Google.The advantages of this scheme, has very much：As theoretically supported nothing
The more application of limit carry out it is unlimited opening, the compatible Google's primary code frame of perfection, scheme realize change on system less, influence
It is small, compatible Google's multi-user's function of perfection etc..
But multi-user technology core concept is to realize the separation of data space and the program space, to reach
The purpose of secret protection.Its realization method is then the management thought of the user's space based on similar Linux, and each user has category
In the unique exclusive space of oneself, therefore the file that can not be also accessed under the space and space of other users.
On the basis of this, some users that attend to anything else actually in addition are created using open, in the user's space of these users that attend to anything else more
In the application program more opened of " clone " a needs.Space where the application (application of namely attending to anything else) of this clone is in fact
It is another user's space different from the user's space of primary user.Attend to anything else the user's space of user and the user's space of primary user
It is independent, application of attending to anything else can not know or the file using any user's space for belonging to primary user.Equally, ontology application
It can not know or the file of user's space using the user that attends to anything else.
Invention content
The embodiment of the present invention provides a kind of method and device of the establishment of multi-user, to solve the more evolutions of multi-user's frame
Application of attending to anything else in case can not access the file of the user's space of primary user, and ontology application can not access the user's space for the user that attends to anything else
File the problem of.
The embodiment of the present invention provides a kind of method of the establishment of multi-user, which is characterized in that including：
According to the first instruction received, the user that attends to anything else, the User Identity (User for the user that attends to anything else described in acquisition are created
Identifier, UserID)；For Adding User other than primary user under multi-user's frame, the user that attends to anything else is the user that attends to anything else
It is one or more；The primary user is default user under multi-user's frame；First instruction is used to indicate establishment and attends to anything else user
Quantity.
According to the UserID of the user that attends to anything else, by the data directory carry of the primary user to the number of the user that attends to anything else
According to catalogue.
Optionally, it is described to create the user that attends to anything else, it further includes：
Attend to anything else described in establishment UserID, user's space and the data directory of user；
Attend to anything else described in foundation the correspondence of the UserID of user and the data directory of the user that attends to anything else.
Optionally, it is described after the data directory for the user that attends to anything else described in establishment, it further includes：
The data directory of the user that attends to anything else is mapped as user's space file system (Filesystem in
Userspace, FUSE) management directories of user data.
Optionally, the data directory carry by the primary user to the user that attends to anything else data directory, including：
According to the UserID of the user that attends to anything else, the data directory of the user that attends to anything else is determined；
The data directory of primary user is mounted on the data directory of the user that attends to anything else.
Optionally, the UserID in the user that attends to anything else described in the basis, by the data directory carry of the primary user
To the data directory of the user that attends to anything else, further include：
Attend to anything else described in acquisition user first application data to be visited；
In data directory corresponding user's space of the data to be visited of first application for the primary user is determined
Data when, according to the carry relationship of the data directory of the user that attends to anything else and the data directory of the primary user, access institute
State the data in the user's space of primary user.
Correspondingly, the embodiment of the present invention additionally provides a kind of device of the establishment of multi-user, including：
Creation module, for according to the first instruction received, creating the user that attends to anything else, attending to anything else user's described in acquisition
UserID；For the user that attends to anything else for Adding User other than primary user under multi-user's frame, the user that attends to anything else is one or more；Institute
Primary user is stated as default user under multi-user's frame；First instruction is used to indicate the quantity for creating the user that attends to anything else；
Carry module, for the UserID for the user that attends to anything else according to, by the data directory carry of the primary user to institute
State the data directory for the user that attends to anything else.
Optionally, the creation module is specifically additionally operable to：
Attend to anything else described in establishment UserID, user's space and the data directory of user；
Attend to anything else described in foundation the correspondence of the UserID of user and the data directory of the user that attends to anything else.
Optionally, the creation module is specifically additionally operable to：
The data directory of the user that attends to anything else is mapped as to the directories of user data of FUSE management.
Optionally, the carry module is specifically additionally operable to：
According to the UserID of the user that attends to anything else, the data directory of the user that attends to anything else is determined；
By the data directory carry of the primary user to the data directory of the user that attends to anything else.
Optionally, described device further includes acquisition module and access modules：
The acquisition module, for obtaining the data to be visited of the first application of the user that attends to anything else；
The access modules, for being the data directory of the primary user in the data to be visited for determining first application
During data in corresponding user's space, according to the data directory of the user that attends to anything else and the data directory of the primary user
Carry relationship accesses the data in the user's space of the primary user.
Present example shows, according to the first instruction received, to create the user that attends to anything else, acquisition attends to anything else user's
UserID, the user that attends to anything else are Adding User other than primary user under multi-user's frame, and the user that attends to anything else is one or more, primary user
For default user under multi-user's frame, the first instruction is used to indicate the quantity for creating the user that attends to anything else, according to attending to anything else user's
UserID by the data directory carry of primary user to the data directory of the user that attends to anything else, can effectively solve multi-user's frame
Application of attending to anything else in more evolution cases can not access the file of the user's space of primary user, and ontology application can not access the use for the user that attends to anything else
The problem of file in family space.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the flow diagram of the method for the establishment of a kind of multi-user provided in the embodiment of the present invention；
Fig. 2 be in the embodiment of the present invention a kind of establishment for providing attend to anything else user's space method flow diagram；
Fig. 3 is a kind of memory storage status diagram provided in the embodiment of the present invention；
Fig. 4 is another memory storage status diagram provided in the embodiment of the present invention；
Fig. 5 is the schematic device of the establishment of a kind of multi-user provided in the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is the file access methods for opening application scheme under multi-user's frame in terminal device more.It is multi-purpose
Under the frame of family, there are one the user's spaces of primary user for acquiescence, can create and Add User in the user's space of primary user, these are new
It is exactly the user that attends to anything else to add family.The user's space of primary user and the user's space for the user that attends to anything else are mutually isolated, primary user without
Method accesses the user's space for the user that attends to anything else, and equally, the user's space for the user that attends to anything else can not also access the user's space of primary user.It is main
Application program in the user's space of user is known as ontology application, can be installed to the certain applications of the user's space of primary user
Attend to anything else the user's space of user, the application of these operations in the user's space for attending to anything else user is known as application of attending to anything else.Primary
The user's space operation ontology application at family, runs application of attending to anything else in the user's space for the user that attends to anything else, thereby realizes same
Terminal device runs multiple identical applications simultaneously, realizes that application opens function more.Such as it is opened simultaneously in same terminal device
Open multiple QQ or wechat.
In embodiments of the present invention, terminal device can refer to the equipment for providing a user voice and/or data connectivity
(device), including wireless terminal or catv terminal.Wireless terminal can be have wireless connecting function portable equipment or
Other processing equipments of radio modem are connected to, the shifting to communicate through wireless access network with one or more core nets
Dynamic terminal.For example, wireless terminal can be mobile phone (or being " honeycomb " phone) and the computer with mobile terminal.Again
Such as, wireless terminal can also be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.For another example,
Wireless terminal can be that (English is movement station：Mobile station), (English is access point：Access point) or use
(English is family equipment：User equipment, abbreviation UE) a part.
Based on foregoing description, Fig. 1 illustratively shows a kind of side of the establishment of multi-user provided in an embodiment of the present invention
The flow of method, the flow can be by being performed by a kind of device of establishment of multi-user, which can be terminal device,
It can be located in terminal device.
As shown in Figure 1, idiographic flow is as follows,
Step 101, according to the first instruction received, the user that attends to anything else, the user for the user that attends to anything else described in acquisition are created
UserID。
In embodiments of the present invention, the user that attends to anything else is Adding User other than primary user under multi-user's frame, use of attending to anything else
Family is one or more, and primary user is default user under multi-user's frame, and the first instruction is used to indicate the number for creating the user that attends to anything else
Amount.
Specifically, create this attend to anything else user when, can be attended to anything else user according to the first instruction received, establishment
UserID, user's space and data directory；Attend to anything else described in foundation the UserID of user and the data directory of the user that attends to anything else
Correspondence.The data directory of the user that attends to anything else is mapped as to the directories of user data of FUSE management.
For example, it is indicated according to the first instruction received, determines number of users of attending to anything else to be created, establishment is attended to anything else
User and the UserID for obtaining the user that attends to anything else.It is exactly to create independent and isolated user storage space to be used to deposit to create the user that attends to anything else
Store up the data for application of attending to anything else.Fig. 2 illustratively shows the establishment process for user's space of attending to anything else.Step S201 creates use of attending to anything else
Family.Step S202 creates the data directory for the user that attends to anything else.It is assumed that the first instruction instruction only creates the user that attends to anything else, for area
Point primary user and the user that attends to anything else, primary user and the user that attends to anything else have different UserID under multi-user's frame.For example, in data/
Acquiescence is there are one entitled 0 catalogue under media, this catalogue is the data directory of primary user, the data directory of the primary user
Representative is exactly the user's space of primary user.0 is exactly the User Identity of primary user, i.e. UserID is 0.When establishment is attended to anything else
When the user's space of user and the user that attends to anything else, terminal device can be that the newly-built user that attends to anything else establishes identity mark according to system convention
Know, for example create a user that attends to anything else " 881 ", is i.e. UserID is 881.In terminal device, the storage and name of file are that have
Specific rule, that is to say, that UserID and attend to anything else that there are correspondences for directories of user data.Attend to anything else in the present embodiment
User UserID is " 881 ", then according to terminal device rule, creates entitled 881 catalogue under data/media accordingly
Data/media/881, as the data directory for the user that attends to anything else, representated by space be exactly the user's space of user of attending to anything else, should
User's space is used to store user data of attending to anything else, that is to say, that UserID 881, corresponding data directory are exactly data/
media/881.Use of attending to anything else representated by the user's space and data/media/881 of primary user representated by data/media/0
The user's space at family is independently of each other and the space of isolation, the ontology application in the user's space of primary user can not access use of attending to anything else
The memory space data/media/881 at family equally, attends to anything else using the primary user that can not also access representated by data/media/0
User's space.
Step S203, the data directory for the user that attends to anything else are mapped as the catalogue of FUSE management.Mapping is will be non-in terminal device
Root file association is to root file system to achieve the purpose that be accessed.In the data directory data/ for creating the user that attends to anything else
After media/881, it is also necessary to by the catalogue be mapped as FUSE management /storage/emulate/881.Similarly, if created
Two users that attend to anything else, for example, " 881 ", " 882 ", the data directory of the corresponding user that attends to anything else can be data/media/
881、data/media/882.Correspondingly, its be mapped as FUSE management /storage/emulate/881 ,/storage/
emulate/882。
Step S204 terminates.After mapping, the user's space process for creating the user that attends to anything else terminates, the use of the user that attends to anything else
Family space could be accessed by system.As Fig. 3 illustratively shows the terminal device Data subregions for the user that attends to anything else under normal conditions
Situation, it can be seen that the primary user region different with attending to anything else user in Data subregions and being two is each mapped to two completely
Different data directories.
The needs applications opened, such as QQ, wechat, microblogging can be installed more in the user's space of the user that attends to anything else of establishment,
In order to be distinguished with ontology application, these, which attend to anything else to apply, can be renamed for example, QQ trumpets 1, wechat 1, microblogging trumpet a etc..
In this way, the user's space for the user that attends to anything else and the user's space of primary user can run ontology application and application of attending to anything else simultaneously.But
Since the design of multi-user's frame is the purpose for secret protection, subject user space cannot be accessed so attending to anything else and applying
File.That is " QQ trumpets 1 " can not access the file in data/media/0, and main body application can not also access data/
File in media/881.
Step 102, according to the UserID of the user that attends to anything else, the data directory carry of the primary user is attended to anything else to described
The data directory of user.
Specifically, when by the data directory of the data directory carry of the primary user to the user that attends to anything else, Ke Yigen
According to the UserID values of the user that attends to anything else, the data directory of the user that attends to anything else is determined；The data directory of the primary user is hung
It is downloaded on the data directory of the user that attends to anything else.
In terminal device, the alternative document except root file system cannot be accessed directly, it is necessary to by being mounted to
Catalogue on root file system, which is realized, to be accessed.In the embodiment of the present invention, by the way that the data directory of primary user is mounted to use of attending to anything else
The data directory at family can realize that the user's space for the user that attends to anything else and the user's space of primary user share one piece of storage region, ontology
Using the file in the user's space that can access primary user, correspondingly, the user that main application can also access the user that attends to anything else is empty
Between in file, asking for file in the user's space of primary user can not be accessed more by opening application so as to solving multi-user's frame
Topic.
For example, the UserID and its and number of users for the user that attends to anything else can be obtained after user by being attended to anything else by step 101 establishment
According to the correspondence of catalogue.By taking the user 881 that attends to anything else of above-mentioned establishment as an example, the mark of user's space is UserID=881.
According to UserID and the correspondence of data directory, the data directory of the user that attends to anything else can be determined as/data/media/881,
Main user data catalogue is mounted to by mount bind commands and is attended to anything else in directories of user data.Specifically, pass through calling
Mount-o bind/data/media/0/data/media/881 orders carry out carry.The semanteme of the order is, by primary user
Data directory data/media/0 be mounted on the data directory data/media/881 for the user that attends to anything else.As shown in figure 4, it completes
After carry service, the content in the data directory for the user that attends to anything else has reformed into the content under main user data catalogue, that is to say, that
Data/media/0 and data/media/881 has reformed into same storage region, although the mapping by FUSE file system
With foring two file system after management, but its internal data is still identical, and side's file changes, the opposing party
File can also change.In this way, application of attending to anything else can access the space of ontology application, ontology application can also access application of attending to anything else
Space.
Preferably, after above-mentioned steps 102, the application disposed in the user that attends to anything else can access the user's space of primary user
Data, specifically, obtain described in attend to anything else user first application data to be visited；Determine it is described first application wait visit
When asking the data in the corresponding user's space of data directory that data are the primary user, according to the data mesh of the user that attends to anything else
Record and the carry relationship of the data directory of the primary user, access the data in the user's space of the primary user.
Determine that the first of the application of attending to anything else applies data to be visited, if data to be visited are the numbers in primary user
According to when, according to the carry relationship of the data directory for the user that attends to anything else and the data directory of primary user, the user of primary user can be accessed
Space.First application for attend to anything else using any one of application, such as " the QQ trumpets 1 " opened in application will use in mobile phone more
Photo, due to after carry, the user's space of the user's space of primary user and the user that attends to anything else are same area in memory
Domain, then the photo in mobile phone photo album can be directly accessed in " QQ trumpets 1 ".Which achieves primary user user's space and point
The data interchange function of the user's space of body user.
Above-described embodiment shows, according to the first instruction received, to create the user that attends to anything else, acquisition attends to anything else user's
UserID, the user that attends to anything else are Adding User other than primary user under multi-user's frame, and the user that attends to anything else is one or more, primary user
For default user under multi-user's frame, the first instruction is used to indicate the quantity for creating the user that attends to anything else, according to attending to anything else user's
UserID by the data directory carry of primary user to the data directory of the user that attends to anything else, can effectively solve multi-user's frame
Application of attending to anything else in more evolution cases can not access the file of the user's space of primary user, and ontology application can not access the use for the user that attends to anything else
The problem of file in family space.
Based on identical technical concept, Fig. 5 illustratively shows the wound of multi-user provided in an embodiment of the present invention a kind of
The device for the method built, the device can perform the method for the establishment of multi-user, which can be terminal device, can also position
In in terminal device.
As shown in figure 5, the device specifically includes：
Creation module 501 according to the first instruction received, creates the user that attends to anything else, attends to anything else user's described in acquisition
UserID；For the user that attends to anything else for Adding User other than primary user under multi-user's frame, the user that attends to anything else is one or more；Institute
Primary user is stated as default user under multi-user's frame；First instruction is used to indicate the quantity for creating the user that attends to anything else.
Preferably, the creation module 501 is specifically additionally operable to：
Attend to anything else described in establishment UserID, user's space and the data directory of user；
Attend to anything else described in foundation the correspondence of the UserID of user and the data directory of the user that attends to anything else.
Preferably, the creation module 501 is specifically additionally operable to：
The data directory of the user that attends to anything else is mapped as to the directories of user data of FUSE management.
Carry module 502, for the UserID for the user that attends to anything else according to being used for basis, by the data mesh of the primary user
Carry is recorded to the data directory of the user that attends to anything else.
Preferably, the carry module 502 is specifically additionally operable to：
According to the UserID of the user that attends to anything else, the data directory of the user that attends to anything else is determined；Using bind command, by master
The data directory of user is mounted on the data directory of the user that attends to anything else.
Preferably, described device, further includes acquisition module and access modules：
The acquisition module, for obtaining the data to be visited of the first application of the user that attends to anything else；
The access modules, for being the data directory of the primary user in the data to be visited for determining first application
During data in corresponding user's space, according to the carry relationship of the attend to anything else user and the primary user, access described primary
Data in the user's space at family.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of creation method of multi-user, which is characterized in that including：
According to the first instruction received, the user that attends to anything else, the User Identity UserID for the user that attends to anything else described in acquisition are created；Institute
The user that attends to anything else is stated as Adding User other than primary user under multi-user's frame, the user that attends to anything else is one or more；The primary user
For default user under multi-user's frame；First instruction is used to indicate the quantity for creating the user that attends to anything else；
According to the UserID of the user that attends to anything else, by the data directory carry of the primary user to the data mesh of the user that attends to anything else
Record.
2. the method as described in claim 1, which is characterized in that it is described to create the user that attends to anything else, including：
Attend to anything else described in establishment UserID, user's space and the data directory of user；
Attend to anything else described in foundation the correspondence of the UserID of user and the data directory of the user that attends to anything else.
3. method as claimed in claim 2, which is characterized in that after the data directory for the user that attends to anything else described in the establishment,
It further includes：
The data directory of the user that attends to anything else is mapped as to the directories of user data of the file system FUSE management of user's space.
4. the method as described in claim 1, which is characterized in that the UserID for the user that attends to anything else described in the basis, by the master
The data directory carry of user to the user that attends to anything else data directory, including：
According to the UserID of the user that attends to anything else, the data directory of the user that attends to anything else is determined；
The data directory of the primary user is mounted on the data directory of the user that attends to anything else.
5. such as Claims 1-4 any one of them method, which is characterized in that attending to anything else user's described in the basis
UserID after the data directory of the data directory carry of the primary user to the user that attends to anything else, is further included：
Attend to anything else described in acquisition user first application data to be visited；
Number in data directory corresponding user's space of the data to be visited of first application for the primary user is determined
According to when, according to the carry relationship of the data directory of the user that attends to anything else and the data directory of the primary user, access described primary
Data in the user's space at family.
6. a kind of device of the establishment of multi-user, which is characterized in that including：
Creation module, for according to the first instruction received, creating the user that attends to anything else, the user identity for the user that attends to anything else described in acquisition
Identify UserID；For the user that attends to anything else for Adding User other than primary user under multi-user's frame, the user that attends to anything else is one or more
It is a；The primary user is default user under multi-user's frame；First instruction is used to indicate the quantity for creating the user that attends to anything else；
Carry module, for the UserID for the user that attends to anything else according to, by the data directory carry of the primary user to described point
The data directory of body user.
7. device as claimed in claim 6, which is characterized in that the creation module is specifically used for：
Attend to anything else described in establishment UserID, user's space and the data directory of user；
Attend to anything else described in foundation the correspondence of the UserID of user and the data directory of the user that attends to anything else.
8. device as claimed in claim 7, which is characterized in that the creation module is additionally operable to：
After the data directory for the user that attends to anything else described in the establishment, the data directory of the user that attends to anything else is mapped as FUSE pipes
The directories of user data of reason.
9. device as claimed in claim 6, which is characterized in that the carry module is specifically used for：
According to the UserID of the user that attends to anything else, the data directory of the user that attends to anything else is determined；
The data directory of the primary user is mounted on the data directory of the user that attends to anything else.
10. such as claim 6 to 9 any one of them device, which is characterized in that described device further includes：Acquisition module and visit
Ask module；
The acquisition module, for obtaining the data to be visited of the first application of the user that attends to anything else；
The access modules, for being corresponded in the data to be visited for determining first application for the data directory of the primary user
User's space in data when, according to the carry of the data directory of the user that attends to anything else and the data directory of the primary user
Relationship accesses the data in the user's space of the primary user.
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