KR20020043989A - System for file management with mobile devices - Google Patents

Abstract

PURPOSE: A system for a remote file management with mobile devices is provided to access or manage the document type information of a desktop computer in a simple manner without carrying out a large scale operation, and carry out the transmission in a compressed form for solving the slow transmission speed problem of the wireless network. The system is also provided to transmit the information of the desktop computer to the mobile device after converting the data to the standard form such as PDF, HTML, TIFF and JPEG, and therefore, once the relevant application program is installed in the mobile device, then all kinds of files can be viewed in the mobile device. CONSTITUTION: A remote file server includes: a compression manager for applying a compression algorithm to a requested file to form a new file or to furnish it to a compression-requested module; a distribution manager for transmitting the files of the remote file server by e-mail or by facsimile upon receiving a request; a format converter for converting the format of the files of the remote file server upon receiving a request; a storage manager for carrying out an interfacing or a WML (wireless markup language) service for the modules; and a file system of a basic operation system.

Description

Remote file management system using mobile terminal {SYSTEM FOR FILE MANAGEMENT WITH MOBILE DEVICES}

Field of invention

The present invention relates to a remote file management system using a mobile terminal. More specifically, the present invention overcomes the communication speed problem of the wireless network by the transmission and reception of files by compression, so that any type of files can be referred to or distributed in the terminal to overcome the limitations of the terminal lacking resources. And, and relates to a remote file management system using a mobile terminal that can directly manage the file system of a general computer operating system.

Background of the Invention

Many types of information systems have been developed to manage information on a file basis such as electronic document management, electronic library, and information retrieval system. However, most users have to register files on such a system and install and learn a dedicated application for managing and referencing the registered files. Therefore, users can download files to a simple common file server or file system of their personal computer. Stored and managed. Recently, the wireless data service using the mobile phone network has been widely used, but mainly the information based on record units or simple characters, and the most important file information is rarely serviced in the wireless environment.

In terms of technology and environment, the information terminal and wireless communication environment are examined. Recently, the development of general-purpose mobile information terminals such as personal digital assistants (PDAs) and handheld PCs (HPCs) has been actively promoted in terms of terminals.However, performance (CPU performance, storage memory, screen size, etc.) and functions (data input) Method, and multimedia functions) are falling far behind PCs. In terms of the wireless communication environment, data communication methods such as IS-95B / C (CDMA), GPRS (GSM), and CDPD are being provided to provide an environment in which wireless data can be actively serviced. However, it is still not as useful as the existing wired network in terms of cost, stability, and speed.

Currently, file management systems of computer operating systems (Unix and Windows) are mainly targeted at high-performance computers connected by wired networks. In recent years, however, mobile workers are increasing and the necessity for anyone to manage their files or public files from a computer connected to a wired network anytime, anywhere is increasing.

Therefore, the present inventors can solve the communication speed problem of the wireless network by adopting the function of transmitting / receiving a file by compression, and can overcome the limitation of the terminal that lacks resources by allowing any type of files to be referred to or distributed in the terminal. To develop a system that can directly manage the file system of a computer's operating system from a mobile terminal, and to develop a mobile information terminal and a general-purpose remote file management system based on a wireless network that can easily access existing general files remotely. It is early.

Purpose of the Invention

An object of the present invention is to provide a remote file management system using a mobile terminal that can directly manage the general file system of the existing desktop computer through a wireless terminal or retrieve the contents.

Another object of the present invention is to provide a remote file management system that can easily access or manage the information stored in most document format in the existing desktop computer anytime, anywhere through a mobile terminal without a separate large-scale operation.

Another object of the present invention is to provide a remote file management system that can solve the low transmission rate problem of a wireless network because it transmits in a compressed format.

Yet another object of the present invention is to install only the application program capable of HF files of the standard format by converting the information stored in the existing desktop computer to the standard format (PDF, HTML, TIFF, JPEG, etc.) and transmitting to the terminal It is to provide a remote file management system where all types of files can be viewed on the terminal.

In order to achieve this object, a remote file management system using a mobile terminal according to the present invention is a remote file server for storing and transmitting a user's file, a mobile terminal for remotely managing the file in the remote file server, the remote A remote file management system comprising a communication network for transmitting data by connecting a file server and the mobile terminal, and a distributor for receiving a file by remote management of the user. In addition, the remote file server is a compression manager that applies a compression algorithm to the requested file to create a new file or provide a compression request module, the file stored in the remote file server according to the request via e-mail or fax (fax) A distribution manager for transmitting, a format converter for converting a file format stored in the remote file server upon request, a storage manager functioning as an interface between the modules and a Wireless Markup Language (WML) service function, and an underlying operating system file system; The mobile terminal includes a search module for viewing a directory and a file of the remote file server, a file viewing module for viewing a file transmitted from the remote file server, and a compression module for decompressing and transmitting a compressed file or compressing a file. It includes.

1 is a schematic configuration diagram of a remote file management system according to the present invention.

2 is a block diagram showing the means included in the critical components of the remote file management system according to the present invention.

3 shows an example of an execution screen of a search module of an information terminal according to the present invention.

4 shows an example executed in the mobile telephone according to the present invention.

5 shows an example of execution of file and directory search of an information terminal according to the present invention.

6 is a data flow diagram illustrating each component and the data flow between the components according to the present invention.

The operating environment according to the present invention is largely divided into four parts: a mobile terminal, a communication network, a remote file server, and a distributor. The operating environment is described with reference to FIG. 1 as follows. 1 is a schematic configuration diagram of a remote file management system according to the present invention.

The mobile terminal is a device used by an end user to remotely manage files. The mobile terminal is mainly a mobile information terminal (1) and (2) equipped with a general-purpose data processing function and a wireless communication function. ), And it is divided into a general mobile phone (3) having only short-range wireless data processing capability such as SMS (Short Message Service).

The mobile information terminal is equipped with a general-purpose operating system such as Windows CE, EPOC, LINUX, Palm OS, etc., and provides wireless communication to a wireless PDA (1) having a built-in wireless communication module and a general portable information terminal (PDA, HPC, etc.). The portable mobile information terminal 2 is coupled to the module for belonging.

The mobile phone 3 includes a smart phone or a WAP phone capable of processing text-oriented short text-based data service functions such as SMS and WAP.

The communication network is composed of a wireless communication network composed of a wireless data network 4 and a wireless data gateway 5, and a wired communication network composed of a wired internet network 7 and a PSTN network. The wireless data network 4 communicates directly with the mobile information terminal and the mobile telephone. The wireless data gateway 5 connects a wireless communication network and a wired communication network.

The remote file server 8 is a general computer equipped with a Windows-based or Unix-based general-purpose operating system. In addition, the remote file server 8 is connected to a wired communication network so that a user can store or manage a file.

The distributor is a device that can receive the contents stored in the remote file server (8). The distributor consists of an electronic mail server 9 and a fax machine 10. The user can send a file stored in the remote file server 8 by mail or fax.

The configuration module of the software for implementing the present invention is largely divided into three parts, such as the server module 201, the mobile information terminal module 207, and the mobile telephone module 211. Detailed configuration and function of each configuration module will be described with reference to FIG. 2 is a block diagram showing the configuration modules included in the important components of the remote file management system according to the present invention.

The server module 201 is mounted on the remote file server 8 having an operating system of a Windows series (Windows NT, Windows 2000, Windows ME, Windows 98, etc.) and a Unix series (Solaris, AIX, HP, etc.) that are used for general purposes. Module that handles client requests for files stored in the file system of the underlying operating system. The server module 201 is composed of a compression manager 202, a distribution manager 203, a format converter 204, a storage device manager 205 and the underlying operating system file system 206.

The compression manager 202 compresses the file (s) requested by the mobile telephony terminal module 207 by applying a general-purpose compression algorithm (eg, LZW, GIF, JPEG, Group III, etc.) to generate a new file or to decompress it. Provide it to the requested module.

The distribution manager 203 transmits the file (s) stored in the remote file server 8 through an e-mail or a fax in response to a request of the search module 208 of the mobile information terminal module 207. do. When distributing by e-mail, files stored on the remote file server are delivered in the form of an attached document by Internet mail (SMTP), Exchange, or Notes Mail. At this time, if the transmission is in a compressed format according to the user's request, it is requested to the compression manager 202 to compress and transmit the file, and if a format conversion is required, the format converter 204 is requested to convert the file format into an appropriate format. do. In case of distribution by fax, in order to fax the file stored in the remote file server 8, the format converter 204 converts the file into the fax format (Group III 20 or Group VI) and then converts the file into PSTN (6). To the fax machine 10 via the network.

The format converter 204 converts a file format stored in the remote file server 8 according to a user's request. The file format before conversion is called the source file format and the file format after conversion is called the target file format.

The source file format is a file of any format that can be output from the server operating system, such as MS Office (Word, Excel, Power Point), ASCII Text, TIFF, GIF, JPEG, PDF, HTML, HWP. The target file format is PDF (Portable Date Format), HTML, JPEG, GIF, TIFF, FAX, BMP and the like.

The storage device manager 205 provides an interface between the file system 206 of the base operating system on which the server module 201 is installed and other server modules 201 (compression manager, distribution manager, format converter, etc.). It is in charge of handling the direct requests (directory list / file list view, file deletion, name change, etc.) to the file system 206 of the operating system. In particular, the storage manager 205 may serve to service the result of the request of the mobile telephone module 211 in a WML format.

The base operating system file system 206 means a base file system of Unix or Windows. In the present invention, the user file processing and file format and distribution functions for the base file system are developed without developing a separate file system.

The mobile information terminal module 207 is a module mounted on a PDA, an HPC, a Mini-Note Book PC, or the like equipped with a general-purpose mobile information terminal operating system as described with reference to FIGS. 1 and 2. The mobile information terminal module 207 includes a search module 208, a file viewing module 209, and a compression module 210.

The search module 208 is a program used by the user of the mobile information terminal directly on the screen and performs the same function as that of a general Windows explorer. The main functions are the directory structure view of the file system in the remote file server 8, the file list view belonging to a specific directory, the file management function and the directory management function.

The directory structure view of the file system shows the directory hierarchy of the server in a tree structure like the Windows Explorer. See directory structure 31 in FIG. 3. The file list view of a specific directory in the file system shows the list of files belonging to the directory when the specific directory is selected like the Windows Explorer. See file listing 32 of FIG. 3 as an example of this. The management function for the file performs deletion, name change, registration information view / change, copy, move, file view, transfer (mail or fax), file download, file upload, and the like. The management function for the directory performs deletion, name change, registration information view / change, copy, move, new directory creation, and the like.

The file viewing module 209 is a program for viewing the contents of the file transmitted from the remote file server 8 in the mobile information terminal 1 (2). It consists of programs that view files in a format that becomes a common industry standard. Programs include Portable Document Format (PDF), Tagged Image File Format (TIFF), HyperText Markup Language (HTML), JPEG, and GIF.

The compression module 210 is a module used to decompress or transmit a file when the file transmitted from the remote file server 8 is compressed or to transmit the file to the remote file server 8. to be. The compression algorithm utilizes LZW, GIF, Group III, Group VI, and FAX compression algorithms.

The mobile phone module 211 refers to a micro browser supporting WML (Wireless Markup Language) and m-HTML (Mobile HTML). The mobile phone module 211 includes a search module 212 for a mobile phone.

The search module 212 performs a function of managing files of the remote file server 8 through a micro-browser. The main remote file management function using the mobile phone is largely a directory and file list search function, a directory management function, a file management function, and a file transfer function of the remote file server 8.

The directory and file list search function searches a hierarchical list of directories of the remote file server 8 and performs a file list search function belonging to a specific directory. View / change registration information and move. The file management function deletes a file, displays / changes registration information, moves, and renames a file. The file transfer function performs a file transfer function by mail or fax.

The operation principle of the function of the above-described remote file management system will be described with reference to FIG.

The mobile information terminal module 207 sends a command and data to the server module 201 (step 601). The types of commands and data are described in Table 1.

Kinds Explanation Remarks Directory search Listing searches for child directories of specific directories on the server File list search Retrieve a list of files belonging to a specific directory on the server Management instruction Commands related to server directory and file management (delete, rename, change information, move, create new directory, view registration information, etc.) Compression Command Create a new file by compressing a specific file in the indicated way Existing files are left intact Format conversion Create a new file by converting a specific file into the indicated format (HTML, PDF, TIFF, GIF, FAX format, etc.). Existing files are left intact Command Send specific files by e-mail or fax Upload file Copy files from terminal to specific directory on server Send file contents of terminal Download file Download a specific file from the server in short File view Download specific file from server and view actual contents on terminal

The server module 201 transmits the status and data on the processing result to the mobile information terminal module 207 in response to the request of the mobile information terminal module 207 (step 602). And data.

Kinds Explanation Remarks Processing result Result transmission for processing status (compression, transmission, deletion, etc.) Send request contents In case of file download request or list search request, the result data of the request is sent.

For the request (file compression, format conversion, information change, deletion, name change, etc.) requiring the service of the existing operating system file system 206 among the requests of the mobile information terminal module 207 in the storage device manager 605. Commands and necessary data on the functions of the file system 206 of the base operating system are transmitted (step 603). The file system 206 of the base operating system transmits the processing status (failure, success) and the processing result data (file contents and list, etc.) as a value for the result of the request of the storage manager 205 (step 604). )). The compression manager 202 transmits the compression processing result to the storage device manager 205 according to the request of the mobile information terminal module 207 or the mobile telephone module 211 (step 605). The storage manager 205 transmits a command for compression processing for the request of the mobile information terminal module 207 or the mobile telephone module 211 to the compression manager 202 (step 606). The storage manager 205 transmits a mail and fax transmission request command to the distribution manager 203 (step 607). The distribution manager 203 transmits the distribution processing result status (failure, success) to the storage device manager 205 (step 608). The storage manager 205 sends a request command for the format conversion to the format converter 204 (step 609). The format converter 204 sends the processing result status (failure, success) to the storage manager 205. Send (step 610). When the request of the mobile information terminal module 207 or the mobile phone module 211 compresses the designated file and requests delivery by mail / fax, the distribution manager 203 requests the compression manager 202 to directly compress the result. (Step 611). When the request converts the format of the designated file and requests delivery by mail / fax, the distribution manager 203 requests the format converter 204 to directly convert the format and receives the result (step 612). When the file information requested to the remote file server 8 is compressed in order to view the file contents in the mobile information terminal module 207 or the content generated by the mobile information terminal module 207 is compressed and transmitted to the remote file server 8. In order to compress or decompress the corresponding file, the search module 208 requests the compression module 210 (step 613). The file is delivered to an external file viewing module (PDF, TIFF, JPEG, HTML, etc.) 19 to directly view the contents of the file transmitted from the remote file server (step 614). The compression module 210 performs the compression and decompression request requested by the search module 208 and transmits the request to the search module (step 615). The device manager 205 transmits the content of the user interface and the processing result of the search module 212 in the WML and m-HTML format document (step 616). The request command of the search module 212 of the mobile telephone module 211 is transmitted (step 617). The main commands are described in Table 3.

Kinds Explanation Remarks Directory search Retrieve a list of child directories in a particular directory on the server File list search Retrieve a list of files belonging to a specific directory on the server Management order Commands related to directory and file management by the server (delete, rename, change information, move, create new directory, view properties, etc.) Compression Command Create a new file by compressing a specific file using the indicated method Existing files are left intact Format conversion Create a new file by converting a specific file into the indicated format (HTML, PDF, TIFF, GIF, FAX format, etc.) Existing file is left intact Command Send specific files by email or fax

The main function execution procedure is described with reference to FIG. 6 as follows.

In the directory list and file list search operation, the search module 208 of the mobile information terminal module 207 sends a directory or specific directory file list search command to the server module 201 (step 601). The storage manager 205 of the server module 201 forwards this command to the file system 206 of the underlying operating system (step 603). The underlying operating system file system 206 forwards the processing result of this command to the storage manager 205 (step 604). The storage manager 205 transfers the result of the processing using the compression manager 202 to the search module 208 of the mobile information terminal module 207 (step 602). The search module 208 requests the compression module 210 to decompress and outputs the search results on the screen as shown in FIG.

In addition, the storage manager 205 presents the initial interface of the WML (Wireless Markup Language) or m-HTML format, and when the user makes a request for a list of files and directories, the WML or m-HTML is transmitted to the mobile phone as shown in FIG. Output in format.

In the operation of changing the file contents (format conversion and compression), the search module 208 of the mobile information terminal module 207 sends a format conversion and compression command to the server module 201 (step 601). The storage manager 205 of the server module 201 requests this command from the file system 206 of the base operating system, receives the file, and delivers the file to the compression manager 202 or the format converter 204 (step 606). , Step 609). After transmitting the result to the base operating system file system 206, the final result status is transmitted to the mobile information terminal module 207 (step 602).

The storage manager 205 presents an initial interface in WML (Wireless Markup Language) or m-HTML format, and the user requests file compression or format conversion (step 616). The storage manager 205 of the server module 201 requests this command from the file system 206 of the base operating system, receives the file, and delivers the file to the compression manager 202 or the format converter 204 (step 606). , Step 609). After transmitting the result to the base operating system file system, the final result state is transmitted to the mobile telephone module 211 (step 617).

In the file distribution (mail and fax transmission) operation, the search module 208 of the mobile information terminal 207 sends a file distribution (mail or fax transmission) command to the server module 201 (step 601). The storage manager 205 of the server module 211 requests the file system 206 of the base operating system to receive the file, and transfers the file to the compression manager 202 or the format converter 204 (step 606). Step 609). The storage manager 205 receives the result of compression or conversion into a fax format and delivers the result by mail and fax.

The storage manager 205 also presents an initial interface in WML (Wireless Markup Language) or m-HTML format, and the user makes a distribution request by e-mail and fax (step 616). The storage manager 205 of the server module 201 requests the file system 206 of the base operating system (step 603) and receives the file (step 604). Storage manager 205 delivers the file to compression manager 202 or format converter 204 (step 606, step 609). The storage manager 205 receives the converted result of the change in the contents in the compressed and fax format and delivers the result to the mail and the fax.

In the directory and file management operation, for example, delete, copy, move, change registration information, etc., a file management command (delete, copy, and the like) from the search module 208 of the mobile information terminal module 207 to the server module 201. Move, change registration information, etc.) (step 601). The storage manager 205 of the server module 201 requests the file system 206 of the base operating system (step 603). File system 206 of the underlying operating system processes these requests and forwards the results to storage manager 205 (step 604). The storage manager 205 forwards this result back to the retrieval module 208 (step 602).

In addition, the storage manager 205 presents a basic interface in WML (Wireless Markup Language) or m-HTML format, and sends a user file management command (delete, copy, move, change registration information, etc.) (step 607). . The storage manager 205 of the server module 201 requests the file system 206 of the base operating system (step 603). The file system 206 of the underlying operating system processes these requests and forwards the results to the storage manager 205 (step 604). The storage manager passes this result back to the retrieval module 212 (step 616).

The file content viewing function is supported only in the information terminal module 207 and not in the mobile telephone module 211. The file content viewing function sends a file viewing command from the search module 208 of the mobile information terminal module 207 to the server module 201 (step 601). The storage manager 205 of the server module 201 requests the file system 206 of the base operating system (step 603). The file system 206 of the underlying operating system processes the request and forwards the result or file contents to the storage manager 205 (step 604). The storage manager performs a compression or format conversion function according to the user's request, and transmits the result to the search module 208 (step 602). The file viewing module 209 outputs the corresponding contents to the screen. In this process, if the delivered contents are compressed, the search module 208 requests the compression module 210 (step 613) to receive the result (step 615) and transmits the result to the file viewing module 209. (Step 614).

The file upload function is supported only by the mobile information terminal module 207 and is not supported by the mobile phone module 211. The file upload function sends a file content and a file upload command to be uploaded from the search module 208 of the mobile information terminal module 207 to the server module 201 (step 601). In this process, when the user requests, the search module 208 requests the compression module to compress the corresponding content, and sends the compressed content to the server module 201 (step 601). The storage device manager 205 of the server module 201 receives the command and the contents, requests the compression manager 202, decompresses it, receives the result, and requests the file system 206 of the base operating system (step 603). ). The file system 206 of the underlying operating system processes the request and forwards the result to the storage manager 205 (step 604). The storage manager 205 sends this result to the retrieval module 208 (step 602).

The present invention can manage the general file system of an existing desktop computer directly through a mobile terminal or search for contents, and any information stored in most document formats on the existing desktop computer anytime, anywhere without a separate large-scale operation through a mobile terminal. It is easy to access, manage, and transmit in a compressed format that converts the information stored on the existing desktop computer into a standard format (PDF, HTML, TIFF, JPEG, etc.) that can solve the low transmission rate problem of wireless networks. Provides a remote file management system using a mobile terminal that can see all types of files on the terminal if only the application program that can see the file of the standard format by transmitting to the terminal.

Simple modifications or changes of the present invention can be easily carried out by those skilled in the art, and all such modifications or changes can be seen to be included in the scope of the present invention.

Claims (22)

A remote file server for storing and transmitting a user's file; A mobile terminal for remotely managing the file in the remote file server; A communication network connecting the remote file server and the wireless mobile terminal to transmit data; And A distributor receiving the file by the remote management of the user; Remote file management system using a mobile terminal, characterized in that it comprises a. The method of claim 1, wherein the remote file server A compression manager for applying a compression algorithm to the requested file to generate a new file or to provide a module to request compression; A distribution manager for transmitting a file stored in the server through e-mail or FAX according to a request; A format converter for converting a file format stored in a server according to a request; A storage manager for interfacing the modules and serving a WML service; And Base operating system file system; Remote file management system using a mobile terminal, characterized in that it comprises a module consisting of. The method of claim 1, wherein the mobile terminal A search module for viewing directories and files in the server; A file viewing module for viewing a file transmitted from the server; And A compression module for decompressing and transferring the transmitted and compressed files; Remote file management system using a mobile terminal, characterized in that it comprises a. The remote file management system of claim 1, wherein the distributor is an electronic mail server connected to the remote file server through an internet network. The remote file management system of claim 1, wherein the distributor is a FAX machine connected to the remote file server through a PSTN network. The method of claim 1, wherein the file system of the base operating system (Unix series, Windows series) of the remote file server connected to the wireless network is managed using a mobile terminal (PDA, HPC, Smart Phone, WAP Phone) Remote file management system using a mobile terminal. 7. The remote file management system of claim 6, wherein the directory hierarchy of the file system of the remote file server is displayed in a hierarchical structure on the screen of the mobile information terminal. 7. The remote file management system of claim 6, wherein a list of files belonging to a specific directory of a file system of the remote file server is displayed in a list format on a screen of a mobile information terminal. The mobile terminal according to claim 6 or 8, wherein the directory structure of the file system of the remote file server and the file list belonging to a specific directory are transmitted to a mobile information terminal in a compressed format to reduce the transmission amount. Remote file management system using. 7. The method of claim 6, wherein the amount of communication is reduced by transmitting a specific file of a file system of the remote file server to a mobile information terminal or by compressing file contents when transmitting the file information from the mobile information terminal to the remote file server. Remote file management system using a terminal. The remote file management using the mobile terminal of claim 6, wherein when the specific file of the file system of the remote file server is transmitted to the mobile information terminal, the file is converted into a specific file format that can be processed by the mobile information terminal. system. 7. The remote file management system of claim 6, wherein the specific file of the file system of the remote file server can be delivered by e-mail using a mobile information terminal or a mobile telephone. The mobile terminal of claim 12, wherein when a specific file of a file system of the remote file server is delivered to an e-mail using a mobile information terminal or a mobile telephone, the delivered file is compressed and delivered. Remote file management system. The method according to claim 12, wherein when a specific file of a file system of the remote file server is delivered by e-mail using a mobile information terminal or a mobile phone, the format of the delivered file is converted into a format that a mail receiver can process. Remote file management system using a mobile terminal, characterized in that for delivering. 7. The remote file management system using a mobile terminal according to claim 6, wherein a specific file of the file system of the remote file can be delivered by FAX using a mobile information terminal or a mobile telephone. 7. The method of claim 6, wherein a specific directory of the file system of the remote file server can be deleted, renamed, changed, moved, or copied from a remote location by using a mobile information terminal or a mobile telephone. Remote file management system using a mobile terminal. 7. The method of claim 6, wherein a specific file of the file system of the remote file server can be deleted, renamed, changed, moved, copied from a remote location by using a mobile information terminal or a mobile telephone. Remote file management system using a mobile terminal. 7. The remote file of claim 6, wherein the specific file of the file system of the remote file server can be compressed remotely using a mobile information terminal or a mobile phone to generate a new file. Management system. The mobile terminal of claim 6, wherein the mobile terminal can perform a function of generating a new file by converting a file format of a specific file in the file system of the remote file server at a remote location using a mobile information terminal or a mobile telephone. Remote file management system using. The remote file management system using a mobile terminal of claim 6, wherein a function of copying a file in the mobile information terminal to a specific directory of a file system of a remote file server can be performed. 21. The method of claim 20, wherein when copying a file in the mobile information terminal to a specific directory of a file system of a remote file server, the file is compressed and transmitted to reduce the amount of transmission and when the file is stored in the base operating system file system, the original file is decompressed. Remote file management system using a mobile terminal, characterized in that to perform a function that can be stored in the form. 21. The method of claim 20, wherein when copying a file in the mobile information terminal to a specific directory of a file system of a remote file server, a function of compressing and transmitting the file to reduce a transmission amount and storing the file in a compressed format in the base operating system file system is also possible. Remote file management system using a mobile terminal, characterized in that to perform.