Linux Common commands

1.pwd View the current folder

2.CD switch Directory CD/switch root directory CD. Back to the top level

3.CP replication

4.ls view files Under current directory-l-h-A

5.vim.test Creating a hidden file

6.vim Edit file Vim (file name)

7.cat Viewing file contents

8.more Slowly view file contents

9.mkdir Create directory-p recursive create rmdir delete empty directory

10.MV cut files, can also be renamed

11.yum Inistall tree to open the tree command

12.tree Display tree structure directory

13.DF-HL Viewing disk usage

14.top Viewing system performance

15.ps-ef Viewing processes

16.kill Kill Process-9 forced end

17.find Find

find/-name wenjianming Accurate Query
Find/-name *wenjianming* fuzzy query by file name
Find/-size +90m |xargs ls-lh view files by size

18.uname-a Viewing the system kernel

19.date View time and date

20.shutdown-h now shutdown hilt, Poweroff shutdown

21.rebool restart

22.cal Display Calendar

23.BC Calculator

24.man Help Manual--help Help

25.init 5 into graphical

26.init 3 Entering text

27.df-h Show Partition space

28.ln-s Soft Connection equivalent to shortcut ln-s (source file) (destination file)

ln hard connections Synchronize with each other to back up ln (source file) (destination file)

30.whoami Show Current User

31.ifconfig View NIC IP a

32.service Network restart restart NIC

33.if down eth0 off the NIC

Ifup eth0 Open Network card

35.clear Clear Screen

36.history history

37.ps aux view Background program

38.echo output

39.> one-way redirect overrides

40.>> bidirectional redirection Append Content

41.free Viewing memory

42.chmod to file chmod + WRX (file name) chmod 777 (file name)

43.chown change owner, owning group Chown (owner): (Owning Group) (file name)

44.useradd Add user passwd Create password

45.userdel Delete User

46.VI/ETC/PASSWD Viewing password files

47.sudo Invoking administrator rights

48.su-(user) switch User

49.nslookup Domain Name resolution

Mound List all partitions of the system

Linux Common commands