Linux Command

PHP invoke Linux Command details/* The function to invoke Linux commands in the PHP tutorial is string exec (String command, string [array], int [return_var]); such as exec ("VPOPMA ...")

Function Description: Declare &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;shell variable." Syntax: Declare [+/-][rxi][variable name = set value] or DECLARE-F Supplemental description: Declare for Shell directives, in the first syntax can be used to declare variables and set variables ...

The KILL command is simple to use. The format is: Kill < process PID number, let's try it. First, use the top command to see what programs are running now. To learn more about the top command, search for: Display the system process with the top command. The PID number of the "top" command that was currently running is 3876. Let's just kill 3876. We click on the end window to position the red line. Creates a new session. In a new session, enter: Kill 3876. ...

Function Description: Exit the system. Syntax: Logout supplemental NOTE: The logout instruction lets the user exit the system, its function and login instructions correspond to each other.

In a system, if we no longer need a user, it is usually necessary to remove it to free up computer resources. We use the Userdel command to remove user actions is very simple. Simply enter the user name after the command. Please try to enter a command in the terminal: Userdel yes. If a prompt appears, the command has been successfully executed. We try to delete a nonexistent user and see what prompts the terminal will give us. Oh！ Terminal says: "User yess does not exist" looks like the information returned by the terminal is very straight ...

Feature Description: Set up PPP connection. Syntax: Pppsetup added: This is the Slackware release containing the program, it has an interactive question and answer interface, so that users can easily complete the PPP connection settings.

1. A string indicating the output response of the command. Yes responds to the "Y" character, which specifies the character. 2. Path/usr/bin/yes 3. Syntax yes [--help] [--version] string 4. parameter--help display Help characters. --version display version Information 5. The relevant commands are not 6. For an example, [root@bixuan/] #yes "OK"//Response "OK" string. The results of the command execution are as follows: Okoko ...

Feature Description: Set up the inn newsgroup server. Syntax: ctlinnd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-HS] [-t< Timeout seconds [Control command < set value ...] Supplemental Note: Through the CTLINND directive, you can set up the relevant values directly by issuing a control command for the resident service of the newsgroup server. Parameters: &nb ...

Function Description: Interrupt the FTP connection and end the program. Syntax: Bye added: In FTP mode, the input bye can interrupt the current line of work, and end the implementation of FTP.

Function Description: Remote tape Transfer Protocol module. Syntax: RMT supplemental NOTE: Through the RMT directive, users can control the dumping and restore operations of the tape drive remotely via IPC wiring.

Feature Description: Displays the number of users currently logged in to FTP. Syntax: Ftpcount Additional note: The implementation of this directive can be known as the current number of FTP login system and the maximum number of FTP login.

Feature Description: List x&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The component defined by the server. Syntax: xlsatoms [-display< display number >][-format< output format >][-name< ingredient name >][-range< List Range] Supplemental Note: ...

Function Description: Set up sound card. Syntax: sndconfig&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--help] [--noautoconfig] [--noprobe] Supplemental Note: Sndconfig for sound card setup program, support PNP settings, can automatically detect and set PnP sound card. Parameters: &n ...

Function Description: Start x&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Window. Syntax: STARTX [program][--Server Settings] Supplemental Note: startx to start X Window's script file, the program that actually starts X window is xinit. Parameters: ...

Function Description: Set the system terminal. Syntax: setconsole&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [VIDEO] [Serial] [Ttya] [TTYB] Supplemental Note: Setconsole can be used to specify system terminals. 　Parameter: Serial uses Prom terminal. Ttya,cua0 or TTY ...

Function Description: Set the size of the terminal window. Syntax: resize&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-CU] [-S < columns > < lines] Supplemental NOTE: The implementation of the resize directive can set the virtual terminal window size. Parameters:-C Even if the user environment is not c ...

Feature Description: Displays the module that is loaded into the system. Syntax: lsmod Additional note: Executing the lsmod instruction lists all modules that are loaded into the system. The core of the Linux operating system is modular, so when compiling the core, it is important to put all the functions into the core. You can compile these functions into separate modules and load them separately as needed.

Function Description: Turn off the user's projection password. Syntax: Pwunconv added: Execute pwunconv instruction can turn off the user projection password, it will be the password from the shadow file, back to the passwd file.

Feature Description: Set password. Syntax: passwd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-DKLS] [-u <-f>] [User name] Supplemental Note: The passwd directive allows the user to change his or her password, and the system administrator can use it to manage the user's password for the system. Only the manager can specify the user name, the general user can only change their password ...

Feature Description: Sets the keyboard type. Syntax: kbdconfig&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--back] [--test] Supplemental Note: kbdconfig (Red Hat linux only Directive) is a program used to set up the keyboard, providing a graphical interface to the operation. Kbdconfig is actually modifying e ...