[Linux learning] entry level of common Linux commands

For Linux Command usage, there are a lot of available information on the Internet, especially here at http://linux.chinaitlab.com/special/linuxcom/. this article only lists simple commands for simple usage!

1. CD [directory path/directory name under the current directory]

Go to the directory specified by the parameter. CD .. from the current directory to the previous directory; CD/switch to the root directory; Cd ~ Switch to the user directory.

2. ls/dir [directory path]/null

List objects and folders in a specified or current directory. Ls-L is similar to the display details on windows; ll is the same as LS-l, but there is a senior who will make less use of it; Dir hey, like on Windows, if you do not like ls coloring, this is convenient.

3. mkdir [Folder name]

Create a folder.

4. Touch [file name]

Create a blank file.

5. RM [file name/folder name]

Delete a file or folder. If the folder to be deleted contains subfolders, add the recursive parameter R, that is, the RM-r file name.

6. ifconfig

No need to explain, like ipconfig on Windows.

7. Ping [IP address]

No need to explain.

8. Su [user name]

Switch to another user. If the user name is blank, switch to root.

9. passwd [user name]

Set a password for the user.

10. VI [file name]

Go to the VI editor to edit the file. VI editor of the use of entry is still relatively difficult, there is a portal here: http://linux.chinaunix.net/techdoc/beginner/2009/08/12/1129794.shtml

11. Who

View the current logon user.

12. CP [file 1] [directory 1]

Copy file 1 to directory 1.

13. Mv [directory/file 1] [directory/file name 2]

Move a directory or file.

14. chown

Change file permissions.

15. Reboot

Restart

16. Shutdown [parameters]

Shutdown

17. ln

Add File Link: ln-s File Link name

18. PS-Aux | grep "XXX"

List all processes and filter out processes containing XXX content