50 basic commands for Linux

Source: Internet
Author: User

1.LS-A lists all files in the current directory, including hidden files with a. Header (such as ~/.BASHRC)

Ls–l list the files in the current directory for more information

2. PWD View the absolute path of the current directory

3. Move between CD directories

4. mkdir directory name to create a directory

5. rm file name Delete a file

6. cat file name view file contents (fullscreen view)

7.more filename View file contents (can move left and right)

8. Less filename View file contents (can move up or down)

9.MV path file name to move files to the path

MV filename filename Rename

grep character file name to view part of a file based on character matching

Find Road via-name "string" finds paths in the range of files and directories that meet string matches

12.ln source File Link name create a hard link to a source file

Ln-s source File Link name Create a soft link to a source file

13.touch File name creation files

14.DF displays the total capacity of the filesystem, the amount of usage, the amount remaining

15.du-b/Home View current/home directory capacity (k) and subdirectory capacity (k)

Fdisk-l View System Partition information

MOUNT-T file system type device path via access path

18.CHMOD * * * file name changed to read Execute permission

19.diff FileName File name comparison file

20.top dynamic Ps–aux Static Pstree process tree view system process

21. Program Name & background Running program

FG back the process running in the background to the foreground

BG puts the foreground running process into the background

Halt Init 0 shutdown–h now shutdown system

Reboot init 6 Restart system

init [0123456] Change system operation level, 7 kinds

At 5pm + 3 Days/bin/ls Specify three days after 5:00 execution/bin/ls

Crontab Recurring Task commands (detailed study recommended)

27.date command to display dates

28.cal commands for displaying calendars

29.BC a good simple calculator

30.man Command Query command Help

31.which viewing the location of executable files

32.whereis View the location of the archive

33.locate Matching database View archive location

34.gzip bzip2 compress compression, decompression command

35.VI file name edit files with VI

36.alias Command alias setting directive Unalias release Alias

37.tar Package Unpacking Instructions

38.head display the first few lines of a file tail the following lines of the file

39.| Plumbing > Redirection

40.od read the contents of the file in binary form

41.SU Login Super Admin sudo execute command as Administrator

42.tar Package Installation Instructions

./configure–prefix=/usr/local Pre-compilation configuration

Make compilation

Make install installs the compiled source package

43.rpm– parameter RPM installation query remove upgrade and so on

44.ifconfig Network Configuration commands

Ping the target host

Netstat display of listening ports and processes

45.clear Clear Screen

46.useradd Plus Users

47.PASSWD Change Password

48.CHGRP Chown User group owner to modify files

49.DD Instructions for backup

DD if= "Input-file" of= "Output-file"

50.sh script File Execution script file

50 basic commands for Linux

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