Quick dictionary of common Linux Commands

Common Linux commands: Quick query dictionary I. startup, shutdown, logon, and logout commands [login] logon [logout] logout [exit] logout [shutdown] stop system [halt] stop system [reboot] restart [poweroff] power off...
Common Linux commands: Quick query dictionary I. startup, shutdown, logon, and logout commands [login] logon [logout] logout [exit] logout [shutdown] stop system [halt] stop system [reboot] restart [poweroff] power off [sync] write content in memory to disk [lilo] install lilo start Management Program [grub] install lilo start Management program www.2cto.com 2. Shell related commands [chsh] switch Shell [history] Display Command resume [alias] set command alias [unalias] cancel command alias [which] Display Command location [type] query command type [echo] Display string or variable content [set] set/display Shell variable [printenv] display environment variable [export] set environment variable [env] set temporary environment variable [unset] release environment change Quantity [setenv] set environment variable [unsetenv] release environment variable [source] command in execution file [man] query Command Manual [info] query hypertext Command Manual [whatis] Display Command Introduction [apropos] keyword query manual 3. user management commands [su] switch to another user [useradd] append user [adduser] append user [userdel] delete user [usermod] modify user settings [chfn] modify user private information [groupadd] append group [groupdel] delete group [groupmod] modify group settings [passwd] change password [whoami] display user name [logname] display login user account [users] display all login user information [who] query login user information [w] query login user information [id] display the ID information of the specified user [groups] display the location of the specified user The [finger] group displays the personal information of a specified user. the [mesg] switch is used to send and receive messages to others. [write] send messages to other users. [wall] send messages to all users. [talk] chat with other users. 4.. System Message-related commands [top] provide real-time monitoring of system processor status [date] Display/set current time www.2cto.com [uptime] Display system running time [arch] Display Machine core architecture (such as i386) [uname] Display operating system information [tty] Display Terminal name [last] display login/logout on resume [lastb] Display illegal login information [dumpkeys] display 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 5. File operation commands [ls] show File list [tree] show directory tree [pwd] show current path [cd] change current path [pushd] append path to directory stack [popd] delete path from directory stack [dirs] display the contents of the directory stack. [mkdir] create Path [rmdir] delete path [cp] Copy file/directory [rm] delete file/directory [mv] move File/directory, modify file name [chown] change file/directory owner [chgrp] modify all groups of files/Directories [chmod] Modify file/directory permissions [touch] change file Time [ln] create file/directory link [find] find file [whereis] display file path [file] Query file type [size] Query file size 6. file editing command [cat] show file content [tee] output to file and screen [more] split screen display file content [less] split screen display file content [head] show File header content [tail] show file tail content [fold] fold show long lines [sort] arrange the lines of files [cmp] Compare File content [diff] show File differences [nkf] change Japanese file encoding [dd] copy the [wc] statistical text after changing the file word Count, file size and other [split] split file [paste] join file in a row [join] join file in a field join file [grep] query text [uniq] filter duplicate part show File content [tr] replace text [sed] replace text VII. compression/decompression commands [tar] compression/decompression file [compress] compression/decompression file [uncompress] Decompression [gzip] compression/decompression file [gunzip] decompress [zcat] to display the compressed file content [lha] to compress/decompress the file [uuencode] to encode the binary file as a text file [uudecode] to restore the encoded text file to a binary file 8. MS-DOS toolset www.2cto.com [mtools] Command [mdir] display file list [mcd] change current directory [mmd] New Directory [mrd] delete directory [mdeltree] delete directory tree [mcopy] copy the file [mdel] delete the file [mmove] move the file [mren] change the file or directory name [mattrib] modify the file attribute [mtype] display the file content [mdu] query the file or directory size [minfo] display disk information [mformat] format disk in MS-DOS [mlabel] set disk tag 9, control external device related command [mount] mount on device [umount] remove mounted [eject] on the device (CD/DVD, etc) [fdformat] format floppy disk [fdisk] configure/display hard disk partition [mkfs] format disk partition [fsck] check/fix disk errors [lpr] print to printer [lprm] interrupt print task [lpq] Display print task status [lpc] management/control print task [ifconfig] Display/set NIC configuration 10, process and task management related commands [ps] display running process [jobs] Display background running task [fg] switch task to foreground [bg] switch task to background [kill] stop process or task [killall] stop process or task [wait] wait process or task end of [at] set scheduled execution task [atq] display unexecuted task [atrm] delete scheduled execution task [batch] execute task when system load is reduced [nice] change priority and execute the task [nohup] in the background to execute the task, after logging out, [sleep] does not exit. sleep for a certain period of time. [crond] is used to regularly execute the program. [screen] the window manager of a physical terminal can be reused among multiple processes. 11, network management commands [netstat] display current network connection status [route] Display/set route [host] Display Network host status [hostname] Display/set current host name [ping] OK connection with remote machines [traceroute] display route information [rwho] query logon user of online machines [ruptime] query system running time of online machines [rlogin] login to remote machines [telnet] use telnet to log on to the remote machine [rsh] and send the command to the remote machine [rcp] copy the file between the remote machine [mail] receive the mail [sendmail] send the mail [mailq] confirm the mail queue [ftp] transfers the file www.2cto.com 12 using ftp, and other commands [cal] display calendar [clear] clear screen [gcc] compile C language code [as] compile [bc] calculate [rpm] Redhat package management [dpkg] Debian package management [installpkg] Slackware package installation (delete command is removepkg) [xf86setup, turboxfg, Xconfigurator] configure the X service [startx] to start the X-Window graphic interface by Li Junhao