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Xiaobian to share with you what common Linux command index, I believe most people do not know how, so share this article for everyone's reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

I. Start, shut down, log in, log out related commands

[login] Login

[logout] logout

[exit] logout

[shutdown] Stop the system

[halt] system

[reboot] reboot

[poweroff] Cut off the power

[sync] Write the contents of memory to disk

[lilo] install lilo startup manager

[grub] install lilo startup manager

II. Shell-related commands

[chsh] Switch Shell

[history] Display command history

[alias] Set command alias

[unalias] cancel command alias

[which] shows where the command is located

[type] Inquiry command type

[echo] Display string or variable content

[set]Set/Display Shell Variables

[printenv] Display environment variables

[export] Set environment variables

[env]Setting temporary environment variables

[unset] Releases environment variables

[setenv] Set environment variables

[unsetenv] Releases environment variables

[source] Executing commands in a file

[man]Inquiry Command Manual

[info] Query hypertext command manual

[whatis] Show command brief

[apropos] Search manual by keyword

III. Command related to user management

[su]Switch to other users

[useradd] Add User

[adduser] Add user

[userdel] Delete user

[usermod] Modify user settings

[chfn] Modify user private information

[groupadd] Add group

[groupdel] Delete group

[groupmod] Modify group settings

[passwd] Change password

[whoami] Display user name

[logname] Display login user account

[users] Show all logged in user information

[who]Query login user information

[w]Query login user information

[id]Display ID information for a specified user

[groups] Displays groups to which the specified user belongs

[finger] Display personal information for specified users

[mesg] Switch sending and receiving messages with others

[write] Send messages to other users

[wall] Send a message to all users

[Talk] Chat with other users

IV. system message related command

[top]Provides real-time status monitoring of system processors

[date] Display/set the current time

[uptime] Displays system runtime

[arch] shows the core architecture of the machine (e.g. i386)#ubuntu does not have the "arch" command, it can be replaced with "uname-m".

[uname] Displays operating system information

[tty]Display terminal name

[last] Show login/logout resume

[lastb] Show illegal login information

[dumpkeys] Displays the current keyboard configuration

[loadkeys] Change keyboard configuration

[df]Query disk usage information

[du]Query disk usage information

[dmesg] Display system startup message

[script] Save input and output to file

v. File manipulation related commands

[ls]Show file list

[tree] Display directory tree

[pwd]Show current path

[cd]Change current path

[pushd] appends path to directory stack

[popd] Remove path from directory stack

[dirs] Show contents of directory stack

[mkdir] Create Path

[rmdir] Delete Path

[cp]Copy files/directories

[rm]Delete files/directories

[mv]Move files/directories, change file names

[chown] Change the owner of a file/directory

[chgrp] Modify all groups of files/directories

[chmod] modify permissions for files/directories

[touch] Change file time

[ln]Create file/directory links

[find] Find files

[whereis] shows the pathname where the file exists

[file] Query file type

[size] Query file size

vi. File editing related commands

[cat]display the contents of the file

[tee]Output to files and screens

[more] Split screen display file content

[less] Split screen display file content

[head] Display the contents of the file head

[tail] Show the contents of the tail of the file

[fold] Fold to show long lines

[sort] arrange the lines of a file

[cmp]Compare file content

[diff] Show file differences

[nkf]Change Japanese file encoding

[dd]Copy after changing files

[wc]Count text words, file size, etc.

[split] Split file

[paste] connect files in lines

[join] join files by field

[grep] query text

[uniq] Filter duplicate parts to display file content

[tr]alternate text

[sed]alternate text

[vi]vi text editor

VII. Compression/decompression related commands

[tar]Compress/decompress files

[compress] compress/decompress files

[decompress] decompress

[gzip] compress/decompress files

[gunzip] Unzip

[zcat] Display the contents of compressed files

[lha]Compress/decompress files

[uuencode] encode binary files as text files

[uudecode] Restore encoded text files to binary files

VIII. MS-DOS toolset

[mtools] Command

[mdir] Show file list

[mcd]Change current directory

[mmd]create a new directory

[mrd]delete directory

[mdeltree] Delete directory tree

[mcopy] Copy a file

[mdel] Delete file

[mmove] Move files

[mren] Change file or directory name

[mattrib] Modify file attributes

[mtype] Display file content

[mdu]Query file or directory size

[minfo] Display disk information

[mformat] Format disk MS-DOS

[mlabel] Set disk label

IX. Command related to controlling external devices

[mount] mount

[umount] Unmount a mounted device

[eject] eject (CD/DVD, etc.)

[fdformat] Format floppy disk

[fdisk] Configure/display hard disk partitions

[mkfs] Format disk partition

[fsck] Check/fix disk errors

[lpr]print to a printer

[lprm] Interrupt Print Task

[lpq]Displays the status of print jobs

[lpc]Manage/control print jobs

[ifconfig] Display/set NIC configuration

X. Process and task management related commands

[ps]Show running processes

[jobs] Show background running tasks

[fg]Switch tasks to foreground

[bg]Switch tasks to background

[kill] aborts a process or task

[killall] aborts a process or task

[wait] Wait for the end of a process or task

[at]Set timing to execute tasks

[atq]Show tasks that have not been performed

[atrm] Delete Timed Execution Task

[batch] perform tasks when system load is reduced

[nice] Change priorities and perform tasks

[nohup] Executes tasks in the background, and does not exit after Logout

[sleep] for a certain amount of time.

[crond] Command used to execute programs periodically

[screen] Window manager that multiplexes a physical terminal between multiple processes

Xi. Network management related commands

[netstat] Displays current network connectivity status

[route] Display/set route

[host] Displays network host status

[hostname] Displays/sets the name of the current host

[ping] Confirm connection to remote machine

[traceroute] Show routing information

[rwho] Query login users of online machines

[ruptime] Query the system runtime of an online machine

[rlogin] Login to remote machine

[telnet] Log in to a remote machine using telnet

[rsh]Send commands to remote machines

[rcp]Copy files between remote machines

[mail] Receive mail

[sendmail] Send mail

[mailq] Confirm mail queue

[ftp]Transfer files using ftp

XII. other commands

[cal]display calendar

[clear] clear screen

[gcc]Compile C code

[as]compilation

[bc]computing

[rpm]Redhat package management

[dpkg] Debian package management

[installpkg] Slackware package installation (remove command is removepkg)

[xf86setup ,turboxfg,Xconfigurator] Configure X Server

[startx] Start X-Window System

The above is "What are the commonly used Linux command indexes?" All the contents of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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