Command Encyclopedia

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: Open the user's projection password. Syntax: Pwconv added: User and group passwords in Linux systems are stored in files named passwd and group, which are located in the ETC directory. Anyone can read them because of the operation of the system, creating a safety flaw. The projection password changes the password in the file to the shadow and Gshadow files under the ETC directory, only allows the System Manager to read, and replaces the original password with the "x" character, the effective strong ...

Function Description: First appears the user name. Syntax: whoami&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--help] [--version] Supplemental Note: Display its own user name, this instruction is equivalent to the implementation of "Id-un" instructions. 　Parameters:--help online Help. --ve ...

Function Description: System shutdown instructions. Syntax: shutdown&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-EFFHKNR] [t seconds] Time] [Warning message] Supplemental Note: Shutdown instructions can be closed all programs, and according to the needs of users, to reboot or shutdown action. Parameter:-C when executing "s ...

Feature Description: Displays the ID of the user and the ID of the group to which it belongs. Syntax: id&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ggnru] [--help] [--version] [User Name] Supplemental Description: ID Displays the actual and valid IDs of the user and the group to which they belong. If the two IDs are the same, only the actual IDs are displayed. If you specify only the user name, the ID of the current user is displayed. ...

Function Description: Set terminal mode, connection rate and control line. Syntax: getty&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-h] [-d< Configuration Profile [-r< delay seconds [-t< Timeout seconds [-w< Wait string [Terminal number] [Wire Rate < terminal type &G ...

Function Description: Start the system swap area (swap&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;area"). Syntax: Swapon [-ahsv][-p < priority >][Devices] Supplemental Note: Linux system 5636.html "> Storage management must use the Swap area to establish virtual memory." &nb ...

Feature Description: Deletes the directory in the MS-DOS file system. Syntax: mrd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Directory ...] Supplemental Note: MRD is a mtools tool directive that simulates MS-DOS's RD directives to remove MS-DOS directories.

Function Description: Switch working directory syntax in MS-DOS file system: mcd&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Directory name] Supplemental Note: MCD is the mtools tool directive, which toggles the working directory in the MS-DOS file system. If you do not add any parameters, the current disk and working directory are displayed.

Function Description:. bz2 file Decompression program. Syntax: bunzip2&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-FKLSVV] [. bz2 compressed file] Supplemental Note: BUNZIP2 can extract compressed files in bz2 format. BUNZIP2 is actually a bzip2 symbolic connection that performs the same bunzip2 as bzip2-d ...

Function Description: Reads the standard input data, and outputs its content to the file. Syntax: tee&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [AI] [--help] [--version] [File ...] Supplemental NOTE: The tee instruction reads data from a standard input device, outputs its contents to a standard output device, and saves it as a file. Parameters:-A or--append ...

Function Description: Hex/ascii to look at the file procedures.  &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Grammar: Gitview [-bchilv][file] Supplemental Note: The Gitview directive can be used to view the contents of a file, and it displays both hexadecimal and ASCII-formatted codes. Parameters:   ...

Function Description: Filter control characters. Syntax: col&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-BFX] [-l< Buffer Column] Supplemental Note: In many UNIX documentation, there are RLF control characters. When we use the Shell special character ">" and ">>", put the explanatory text ...

Function Description: Install core load, boot management program. Syntax: lilo&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-CLQTV] [-b< Peripheral Equipment Code [-c< configuration file [-d< Delay Time] [-d< Identification Label [-f< Geometric parameter file [-i<

Feature Description: Displays or sets keyboard keys and their associated functions. Syntax: bind&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-DLV] [F < key configuration file] [M < key configuration] [Q < functions] Supplemental NOTE: You can use the bind command to understand which key groups ...

Function Description: Set priority. Syntax: nice&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-N < priority] [--help] [--version] [Execute instruction] Add: The nice command can change the priority level of program execution. Parameter:</b-n< priority > or-...

Function Description: Replace the shell used when logging on to the system. Syntax: chsh&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-luv] [-S <shell name] [User name] Supplemental NOTE: Each user when logged into the system, will have a preset shell environment, this directive can change its default value. If you do not specify any parameters with the user ...

Function Description: Set or display the relevant information of the serial port. Syntax: setserial&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-abggqvvz] Equipment] [Serial port parameters] Supplemental Note: Setserial can be used to set the serial port or display the current settings. Parameters:-a displays details. ...

Function Description: Set up the router. Syntax: nc&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-hlnruz] [-g< Gateway ... Number of [-g< pointing device [-i< delay seconds [-o< output File [-p< Communication Port [-s< Source Address; [-...

Feature Description: IP dial-up connection. Syntax: dip&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-AIKLTV] [Number of-M<MTU] [-p< Agreement] [dial-up script file] Supplemental Note: Dip to control the modem, in the way of dial-up IP to establish external two-way connection. Parameters:-a& ...