Linux Common commands Quick Check memo

Linux Common commands Quick Check memo

PS: Memo only, detailed command parameters describe yourself man

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

[Login] Login

[Logout] Log out

[Exit] Log out

[Shutdown] Stop system

[Halt] Stop system

[Reboot] Restart

[Poweroff] Power off

[Sync] writes the contents of memory to disk

[Lilo] Install Lilo startup hypervisor

[Grub] Installing the LILO Boot management program

Two. Shell-related commands

[Chsh] Toggle Shell

[history] Show command resume

[alias] set command alias

[Unalias] Canceling command aliases

[which] shows where the command is located

[Type] Query command type

[echo] Displays string or variable contents

[Set] set/show shell variables

[PRINTENV] Display environment variables

[Export] Setting environment variables

[ENV] setting temporary environment variables

[unset] Releasing environment variables

[SETENV] Setting environment variables

[unsetenv] Releasing environment variables

[Source] command in Execute file

[Man] Query command manual

[INFO] Query Hypertext command Manual

[Whatis] Show command Introduction

[Apropos] Search Manuals by keyword

Three. User Management related commands

[SU] switch to another user

[Useradd] Append user

[AddUser] Append user

[Userdel] Delete user

[Usermod] Modifying user settings

[CHFN] Modify user private information

[Groupadd] Append Group

[Groupdel] Deleting a group

[Groupmod] Modifying group settings

[passwd] Change Password

[WhoAmI] Display user name

[logname] Show login user account

[Users] Displays all logged-in user information

[who] query login user Information

[W] Query login user Information

[ID] Displays the ID information for the specified user

[Groups] Displays the group to which the specified user belongs

[Finger] Displays the personal information of the specified user

[MESG] Switch send and receive messages to others

[Write] sends messages to other users

[Wall] Send messages to all users

[talk] chatting with other users

Four. System message-related commands

[Top] provides real-time status monitoring of the system's processor

[Date] Show/set Current time

[Uptime] Shows the system run time

[Arch] shows the core architecture of the machine (e.g. i386)

[uname] Display operating system information

[TTY] Display terminal name

[Last] Show login/logout in resume

[LASTB] Displays illegal login information

[Dumpkeys] Displays the current keyboard configuration

[Loadkeys] Changing the keyboard configuration

[DF] Querying disk usage information

[du] Querying disk usage information

[DMESG] Display system boot message

[Script] saving input and output to a file

Five. File operation related commands

[LS] Display file list

[Tree] Display directory tree

[PWD] Displays the current path

[CD] Change the current path

[pushd] Append path to directory stack

[POPD] Removing a path from the directory stack

[Dirs] Displays the contents of the directory stack

[mkdir] Creating a path

[RmDir] Delete path

[CP] Copy files/directories

[RM] Delete files/directories

[MV] Move files/directories, modify file names

[Chown] Changing the owner of a file/directory

[CHGRP] Modifying all groups of files/directories

[chmod] Modifying the permissions of a file/directory

[Touch] Change file time

[LN] Creating a File/directory link

[Find] Find files

[Whereis] shows the path name of the file exists

[File] query files type

[Size] Query file size

Six. File editing related commands

[Cat] Display file contents

[Tee] Output to file and screen

[More] Split screen display file contents

[Less] Split screen display file contents

[Head] Displays the contents of the file header

[Tail] Show file trailer content

[Fold] folding displays long lines

[Sort] Arranges the lines of a file

[CMP] Comparing file contents

[diff] Show file differences

[NKF] Changing Japanese file encoding

[DD] Copy after change file

[WC] Statistics Text word number, file size, etc.

[Split] Split file

[Paste] Connecting files in rows

[Join] joins the file with a field

[grep] Query text

[Uniq] Filter Repeating section display file contents

[TR] Replace text

[SED] Alternate text

[VI] VI text Editor

Seven. Compress/unzip related commands

[tar] Compress/Unzip files

[Compress] compressing/extracting files

[Uncompress] Decompression

[gzip] Compress/Unzip files

[Gunzip] Decompression

[Zcat] Displays the contents of the compressed file

[LHA] Compressing/extracting files

[Uuencode] encode a binary file as a text file

[UUDecode] Restores encoded text files to binary files

Eight. MS-DOS Toolset

[Mtools] Command

[Mdir] Show file list

[MCD] Changes the current directory

[MMD] New directory

[MRD] Delete directory

[Mdeltree] Deleting a directory tree

[Mcopy] Copying files

[Mdel] Deleting files

[Mmove] Moving files

[Mren] Change file or directory name

[Mattrib] Modifying file properties

[Mtype] displaying file contents

[MDU] Querying file or directory size

[Minfo] Display disk information

[Mformat] Format the disk in MS-DOS

[Mlabel] Set disk label

Nine. Control external device related commands

[Mount] mount on the device

[Umount] Lifting the device already on Mount

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

[Fdformat] Format floppy disk

[FDISK] Configuring/displaying hard disk partitions

[MKFS] Formatting a partition of a disk

[fsck] Checking/repairing disk errors

[LPR] Print to printer

[LPRM] Interrupt Print task

[LPQ] Displays the status of the print task

[LPC] Manage/control print tasks

[Ifconfig] Show/set NIC configuration

10. Process and task management related commands

[PS] shows the running process

[Jobs] Show background run tasks

[FG] Switch the task to the foreground

[BG] switch tasks to the background

[Kill] Abort a process or task

[Killall] Abort a process or task

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

[at] Set timed execution tasks

[ATQ] Shows tasks that have not been performed

[ATRM] Delete timed execution tasks

[Batch] performs tasks when system load is reduced

[Nice] Change priorities and perform tasks

[Nohup] performs tasks in the background and does not exit after logout

[Sleep] sleep for a certain time

[Crond] commands for executing programs on a regular basis

[Screen] can multiplex a physical terminal's window manager between multiple processes

Eleven. Network Management related commands

[Netstat] shows current network connection status

[Route] Show/set route

[Host] Displays the network host condition

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

[Ping] confirm the connection with the remote machine

[Traceroute] Show routing information

[rwho] Query the online machine login users

[Ruptime] querying system uptime for online machines

[Rlogin] Login to the remote machine

[Telnet] Login to remote machine with Telnet

[rsh] Send command to remote machine

[rcp] to copy files between remote machines

[Mail] Collect mail

[SendMail] Send mail

[MAILQ] Confirm Message Queue

[FTP] Transferring files with FTP

Twelve. Other commands

[Cal] Display calendar

[Clear] Clear screen

[GCC] compiling C language code

[As] Assembly

[BC] Calculation

[RPM] Package Management for Redhat

[Dpkg] Package Management for Debian

[Installpkg] Slackware Package Installation (delete command is removepkg)

[Xf86setup, Turboxfg,xconfigurator] Configuring x Services

[StartX] Start X-window graphical interface

Linux Common commands Quick Check memo