basic linux commands list

Uniq commandFunction: Outputs or ignores duplicate rows in a fileFormat: uniq [option] [File|stdin][Email protected]:~/linux/Uniq$CatGhostwu.txt192.168.1.2192.168.1.8192.168.1.3192.168.1.3192.168.1.9192.168.1.8192.168.1.8192.168.1.0192.168.1.3[email protected]:~/linux/Uniq$UniqGhostwu.txt192.168.1.2192.168.1.8192.168.1.3192.168.1.9192.168.1.8192.168.1.0192.168.1.3A continuous repeating row is removed. If yo

metadata to reflect the simple URL changes. When the root URL of the warehouse changes(such as scheme name or host name change), but the working copy is still used when mapping to the same directory in the same warehouseThis command updates the correspondence between the working copy and the warehouse.17.Resolve ConflictsSVN resolved:Removes the "conflicting" status of the working Copy's directory or file.Usage: Resolved PATH ...Note: The book command does not resolve the conflict by syntax or

Linux Security Basics: shell and some basic commands, linuxshell 1. What is shell?Shell is the interface between the user and the Linux operating system.There are multiple shells in Linux, where Bash is used by default. 2. shell Classification(1) bashBash shell is a free ver

Tags: between yourself www end display file hostname company Linux command httpLinux basic commands1.1 VMware Network ModePC PC (personal computer) EmperorVirtual Machine PoorNat ModePC PC (personal computer) EmperorNAT Prime MinisterVirtual Machine PoorBenefits:1. Each of us can have our own country (local area network) 10.0.0.2002. Everyone's IP address can be the sameDisadvantages:1. Complex configuratio

source agreements? 1, how to get the latest Linux kernel version number? www.kernel.org2. List the Linux distributionsyou know and describe their relationship to the Linux kernel? Linux:GNU most software (source file) +linux Kernel (source file)It needs to be compiled to ru

-get removeFolder modification permissions: sudo chmod-rFile modification permissions: sudo chmod (permissions you want to give) file namemkdir new FolderTouch Create a new fileThree ways to write files in Linux: Gedit/cat/vim filename. File type (equivalent to three kinds of software)Gedit similar to TXT under Windows, various shortcut keys applyCat is more trouble is the need to command the interface has written a variety of

Linux basic commands for file and directory managementls commandFunction: Displays the contents of the target list or directorySyntax: ls[option [directory or file]-A: Displays all subdirectories and files in the specified directory, including hidden files-L: Show file details-D: Show directoryExample:ls-dl650) this.wi

detailed information of a user account (3) user, w, who -- query the user information currently logged on to the host Finger: lists user logon names, terminals, logon times, and personal information. W: lists user names, terminals, executed commands, and other statistical information. Who: List user name, terminal, logon time, source location, and other information Users: lists user name information only.

The/etc/passwd file contains a list of all system user accounts and basic configuration information for each userUser name: Password: uid:gid: User's full name: User's default working directory: User Default shell programBy default, the bash shell automatically processes commands in the. bashrc file under the user's home directory when it starts.It often sets the

create a hard link to a file)Ln-s a soft connection to create a file (can be created on a directory)Create and delete usersUseradd Creating a userUserdel Deleting a userSU can switch usersText viewCat View File ContentsMore Paging View filesWC Statistics File Data-L Statistics Row only-W only counts the total number of words-M only counts the total number of charactersgrep text filteringVim commandExit: Q exit: q! Forced exit: Wq Save ExitZZ Save and exitZQ Do not save exitCursor movementH move

another file or directory [Email protected] app]# cp/etc/passwd/app/[[email protected] app]# lspasswd[[email protected] app]# cp-r/etc/sysconfig/network-scripts//app///-r recursively copy directory and all internal content[[email protected] app]# lsNetwork-scripts passwd RM//delete files and directories [[email protected] app]# RM-RF *//r Force delete F Delete Directory MV//change file or directory commands or m

Ifconfig: Configuring network devicesifconfig eth0 192.168.1.1Echo: Display a piece of textEcho $PATHEcho-e "A/TB/TC/ND/TE/TF"TTY: Display the file name of the terminal link standard input deviceTtyTty--versionSTARTX: Start x WindowsStartx-w (Force start x session)Export: Output shell variable or shell function as environment variable EXPORTPWD: Displays the current user's directory Pwdhistory:[craw] Displays the specified number of history commands,

process (dynamic)-EF displays all running processes and displays commands to start the processNetstat viewing network status (net status shorthand)NETSTAT-APN View All portsAn, sort the output in a certain orderP, which indicates which process is calling the | pipe character (vertical bar, The English IME state shift+ on the keyboard |\ ) Create a pipeline between commands, Use the output from the prec

Linux basic commands on file operations (in case) in the root directory (/) to create a new directory tew.kdir/test to change the current directory to/test, under this directory, create an empty file with the abbreviation of your own name, and then create two subdirectories (-xh) and (ah );... linux

Linux operating system usually use a little, senior test and development students use more, like me a person, only like the Windows operating system. But the Linux operating system has been used for some time,Know some basic commands, if you do not remember, Baidu a bit, take it, it will not be too difficult. The follo

Linux cloud computing cluster Architecture Study Notes: 1-1 rhel7 basic commands, Study Notes rhel7 1-3-RHEL7Basic commands 1.1LinuxTerminal introduction Shell prompt Bash Shell basic syntax. 1.2Use of basic

1 man command: View Help informationMan commandNAME: A simple description of the commandSynopsis: Instructions for using formats for commandsDESCRIPTION: Detailed instruction information for the commandOpetions: Description of the command options2 Date command: Show time3 hostname command: Host name4 Clear command: Clear screen5 Exit Command: Exit6 History Command: Historical commands (can be used with pipe characters)7 pwd Command: current directory8

written by the root directory/write, for example:/usr/share/doc this directory. Relative path:The way the path is written, not by/writing, for example, by/usr/share/doc to the bottom of/usr/share/man, can be written as: CD. /man This is how the relative path is written!2.1 Common commands for working with directories LS: List directory CD: Switch directories PWD: Displays the current direct

the details and increases the total value of the summaryDu-ach--max-depth = 1/opt--------Network configuration-related commandsIfconfig.View network ConfigurationHow to modify IPGraphical operationsCommand-line mode Vi/etc/sysconfig/network-scripts/ifcfg-eth0Refresh Network SettingsService Network restart---------Process-related30.psPS is the process that shows the current state in running, and grep means searching in these, and PS aux is showing all processes and their status.Ps-aux | grep xxx

Basic command:DateDate [Options] ... [+ format]: Time display%d%F%TDate [MMDDHHMM[[CC]YY][.SS]]: Time settingMM: MonthDD: what dateHH: HoursMM: MinutesYY: two-digit yearCCYY: four-bit year. SS: SecondsTwo types of clocks for Linux:System clock: The timing of the CPU's operating frequency by the Linux kernelHardware clock:Hwclock: Display hardware time--s,hctosys--w,systohcDirectory-related commands:Current