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Executing a shell command line typically automatically opens three standard files, namely standard input files (stdin), usually the keyboard of the terminal, standard output files (stdout), and standard error output files (stderr), which correspond to the screen of the terminal. The process obtains data from the standard input file, outputs the normal output data to the standard output file, and sends the error message to the standard error file. As an example of the cat command, the function of the Cat command is to read the data from the file given in the command line and send it directly to the standard ...

7.2.1 person http://www.aliyun.com/zixun/aggregation/13617.html "> information manager kontact is an integrated personal information management program that will KMail, Knode, Several existing tools, such as Kaddressbook, Korganizer, knotes, are integrated into the same interface and provide a summary interface to make it an efficient software. Kontact not to ...

Red Flag Linux Desktop 6.0 contains rich applications and utilities, and many excellent software tools enable the system to meet the needs of government, family and individuals in education, teaching, office, development, learning and entertainment. This chapter will select some common programs, the basic configuration and functional characteristics of a simple introduction, play a kapitalmakes role. The detailed use of an application or tool requires reference to its help manual or learning material. Red Flag Linux Desktop 6 ...

Clonezilla Live is a http://www.aliyun.com/zixun/aggregation/10608.html "> hard disk Partitioning and cloning tool similar to the Symantec Ghost, It is also a bootable CD-ROM tool based on Debian. Used to save and restore the file system on the hard drive that is stopped, and for unsupported file systems, DD can be used instead. Using Clonezilla, users can get around 10 points ...

SCIM built-in an excellent setup program for users to facilitate the customization of input method. The Settings dialog box pops up when the user right-clicks the Scim Input Method toolbar. Shortcut menu 6.2.1 Input method and code table set the Input Method Settings window's main interface as shown in the following figure. Input Method Settings window main interface SCIM The default is to open all available input method, but the appropriate deletion of the use of low usage of input method in addition to improve the user to select the speed of input method, but also reduce the consumption of system resources. For code table Management operations, you need to be in the "input engine" ...

Hongqi Company for the convenience of the vast number of users, the special integration of a tool plate for users to choose from. All the tools in the disk are available to work in the system. In the use of the process, if the software in the tool tray any problems, please use the network, books and other ways of self-study, processing. Tool disk tool list program name feature description and description base OpenOffice.org 2.2 Database Calc OpenOffice.org 2.2 spreadsheet draw OpenOffice.org 2.2 vector ...

8.2.1 Directory Operation command 8.2.1.1 view directory The command for viewing the contents of a directory is LS, which displays the contents of the current directory by default, and can be viewed by giving one or more directory names at the location of the command line arguments. The syntax format for the command is: LS [options] ... [filename] ... the LS command has multiple command-line options, such as the parameter feature description-a lists all files, including the "." First file-D if the following is a directory, then use this parameter to output only the name of the directory-L use the long format display ...

PKGTXT2DB is a utility that is applied to the Slackware and Slackware base operating systems. It converts PACKAGES.TXT to multiple database formats. The current version supports CSV and JSON. Pkgtxt2db 0.1.4 This version adds pkgdesc to CSV DB, adds separator to CSV (for MySQL input security), removes garbage from Slackware DB output, fixes a pkgdesc line Var, and adds/outputs an example ...

Familiarity with the command line interface is significant to the use and management of Linux operating systems. This chapter describes the knowledge of shell operations in the Red Flag Linux http://www.aliyun.com/zixun/aggregation/16493.html >desktop 6.0 system, including file and directory operations, Document and System Management and maintenance, process control, equipment management and other basic content. 8.1.1 Shell profile ...

5.5.1 Bookmarks You can add some common files or frequently accessed directories to your Explorer bookmarks for easy access. Bookmarks can be customized using the Bookmark menu shown in the following illustration. Bookmark Menu Add Bookmark Press <Ctrl+B> to add the currently browsed directory or file to the bookmark folder, the Bookmarks menu displays a submenu of the items that should be bookmarked and, in the future, click the submenu item to quickly navigate to the directory or file. Edit Bookmark to select "Edit Bookmark" In the Bookmark menu, will be in a ...

There are three types of applications under Linux (Red Flag Linux default for tar packages and RPM packages): The tar packets are made by the UNIX system's packaged tools tar, such as example-1.2.3-1.tar.gz. RPM Package Red Hat offers a package package format, such as example-1.2.3-1.i386.rpm. DPKG Package Debain Linux provides a package packaging format, such as example ...

7.7.1 RSS Feeds RSS is a news description language that enables users to http://www.aliyun.com/zixun/aggregation/8494.html "> News sites to browse the way the Web page innovation for news sites will be updated content of news "push" to users, eliminating the user login to view the update time. At the same time, RSS is very concise and efficient. RSS and the current popular blog (blogger) system is complementary, so that users can always learn from ...

5.4.1 Create a new file after you select the appropriate directory in the Resource Manager tree list, right-click in the margin of the right window area, and a shortcut menu appears in the following illustration, indicating that you can create a new directory or file in the current directory. New file or folder select new → folder, Explorer prompts http://www.aliyun.com/zixun/aggregation/18678.html > user to enter the name of the folder that will be created, enter and confirm ...

VI since its inception, after continuous innovation, now Yun version of VI has a very powerful function, so that users can more easily and conveniently use it. 8.8.1 vi operating mode command mode begins to enter VI in command mode, if already in insert mode or last line mode, press <ESC> key can return to command mode. In this mode, you can only use the key command, you cannot enter text. Insert mode insert mode is to insert text into the file you want to edit, and the insertion position varies according to the command you are using. From command mode ...

7.6.1 PDF Viewer PDF (Portable Document Format, portable http://www.aliyun.com/zixun/aggregation/18448.html "> Document format) file is an electronic image file for the document. PDF captures formatted information from various types of desktop applications so that formatted documents can be displayed as-is on the monitor or printer. In Red Flag Linux Desktop ...

The settings for the resource manager are primarily done through the settings menu. 5.3.1 Show/Hide sets the show/hide properties by using the Settings menu shown in the following illustration. Settings menu If you select Hide Menu bar, the menu bar will not appear in the Explorer window. To display the hidden menu bar, right-click in the space in the Explorer window and choose Show Menu Bar from the pop-up menu. Of course, you can also set various toolbars, such as the main toolbar, Address toolbar, Bookmarks toolbar display and hide. 5.3.2 Configuration Key Association ...

7.5.1 Science Calculator Kcalc is a simple and http://www.aliyun.com/zixun/aggregation/17547.html "> Powerful Science Calculator" based on KDE. It provides a number of mathematical functions. It is worth noting that, in addition to the common functional functions that most scientific calculators have, Kcalc has the following series of special features, such as providing trigonometric and statistical computations, allowing the cutting and pasting of numbers from the panel, and having the result stack ...

You can enter the resource manager in the following ways: Double-click the My Computer icon on the desktop, double-click the My Documents icon on the desktop, and select the Personal Files menu item on the System main menu. The following figure is the look of the Red Flag Linux http://www.aliyun.com/zixun/aggregation/16493.html ">desktop 6.0 Explorer, which consists of a title bar, a menu bar, a toolbar, Address bar, window area, and ...

Simply put, a process is the process of executing a program or task. In a Linux system, executing any command creates one or more processes, that is, the command is implemented through the process. The multitasking concept of Linux operating systems can be better understood from a process perspective. For http://www.aliyun.com/zixun/aggregation/13879.html "> System administrators, the management system process is an important part of day-to-day management." View process status in the system with PS ...

7.4.1 3D window manager Beryl can make a flat desktop display cool 3D desktop effect, after a simple configuration, the current desktop can quickly become personalized, gorgeous full of 3D effect of the world. Click on the http://www.aliyun.com/zixun/aggregation/35019.html > Start menu "settings" → "3D window manager", the icon on the right side of the panel, right-click on the icon, You can eject the menu shown below. ...