& Linux Command

Function Description: User account Setup program. Syntax: userconf&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--addgroup < Group] [--adduser < user id>< Group >< user name ><shell>] [--delgr ...

Function Description: Delete user account. Syntax: userdel&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-R] [User Account] Supplemental Note: Userdel can delete user account and related files. If you do not add a parameter, only the user account is deleted without deleting the associated file. Parameters:-F Deletes the user login directory and all files in the directory.

Feature Description: Sets or displays environment variables. Syntax: export&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-FNP] [Variable name]=[variable set value] Supplemental NOTE: When executing a program in a shell, the shell provides a set of environment variables. Export can add, modify, or delete environment variables for use by subsequent programs. The effect of export only to this landing exercise ...

Function Description: Set up the installed configuration file. Syntax: mkkickstart&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--BOOTP] [--DHCP] [--nonet] [--nox] [--version] [--nfs < remote computer: path] Supplemental explanation: Mkkickstart can root ...

Function Description: Open the group's projection password. Syntax: Grpconv added: The user and group passwords in the Linux system are stored in the passwd and group files in the ETC directory respectively. Anyone can read them because of the operation of the system, creating a safety flaw. The projection password changes the password within the file to the shadow and Gshadow files in the ETC directory, allowing only the system Manager to read and replace the original password with the "x" character. The function of the projection password can be turned on or off at any time ...

Function Description: http://www.aliyun.com/zixun/aggregation/18860.html "> Automatic processing can load modules. Syntax: modprobe [-acdlrtvv][--help][module file] [Symbol name = symbolic value] Supplemental Note: modprobe can load a specified individual module or load a dependent set of modules. Modprobe will be produced according to Depmod ...

Function Description: Load module. Syntax: insmod&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-FKMPSVXX] [-o < module name] [Module file] [Symbol name = symbolic value] Supplemental explanation: Linux has many functions that are in the form of modules and are loaded kernel when needed. This can make ker ...

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 ...

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<

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.

Function Description: Controls the resources of the shell program. Syntax: ulimit&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ahs] [C <core file upper limit] [-D < data section size] [F < file size] [m < memory size ...

Feature Description: Remove Alias. Syntax: unalias&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-A] [Alias] Supplemental Note: Unalias for Shell built-in directives, you can delete alias settings. Parameters:-a deletes all aliases.

Function Description: Delete module. Syntax: rmmod&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-as] [Module name ...] Supplemental Note: Execute rmmod instructions to delete unwanted modules. The core of the Linux operating system has the characteristics of modularity, so when compiling the core, it is important to put all the functions in the core. You can compile these functions into a separate module, to be needed ...

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: Compress the execution file. Syntax: gzexe&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [d] [Execute File ...] Supplemental Note: Gzexe is used to compress the execution of the file. When you go to execute a compressed execution file, the file is automatically decompressed and then continued, as is the case with the normal execution file. Parameters:-D unzip the compressed file.

Function Description: Edit the text file. Syntax: jed&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [ -2N] [-batch] [-f< Function] [-g<] [-i< Document] [-i< Document] [-s< string [File] Supplemental Note: Jed is written by bits ...

Feature Description: http://www.aliyun.com/zixun/aggregation/18444.html > Text Editor. Syntax: ed [-][-gs][-p< string >][--help][--version][file] Supplemental Description: Ed is the most simple text editor in Linux, and can only edit one row instead of full-screen operation. Parameters:-G or-...

Function Description: Compress file. Grammar. gzip&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; [-ACDFHLLNNQRTVV] [-s < compressed word tail string] [-< compression efficiency [--best/fast] [File ...] or gzip [-ACDFHL ...

Function Description: Set time zone. Syntax: timeconfig&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [--arc] [--back] [--test] [--UTC] [Time zone name] Supplemental NOTE: This is Red Hat Company under the GPL rules developed by the program, it has an interactive interface, you can easily use the arrow keys and space bar, etc., set the department ...

Feature Description: Displays the contents of MS-dos files. Syntax: mtype&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [Soyuz] [File] Supplemental Note: Mtype is a mtools tool directive that simulates the MS-DOS type directive to display the contents of MS-dos files. Parameter: s   ...