Linux clear screen command

Http://hi.baidu.com/nicker2010/item/49a2c1e15423aebf2e140bef

In the DOS era, the command to list directories is Dir and the command to clear the screen is Cls.

Similar commands in Linux areLsAndClearIf you are not used to it, you can use the same command with an alias:

[Blackrose @ localhost ~] $ Alias dir = 'LS-l'
[Blackrose @ localhost ~] $ Dir
Total usage 36
Drwxr-XR-X. 2 blackrose 4096 February 13 19:28 Desktop
Drwxr-XR-X. 2 blackrose 4096 February 7 17:49 document
Drwxr-XR-X. 3 blackrose 4096 16:46 download
Drwxr-XR-X. 2 blackrose 4096 February 7 19:17 music
Drwxr-XR-X. 2 blackrose 4096 February 10 13:48 picture
Drwxrwxr-X. 2 blackrose 4096 February 12 20:11 Program
Drwxr-XR-X. 2 blackrose 4096 17:49 public
Drwxr-XR-X. 2 blackrose 4096 February 7 17:49 Template
Drwxr-XR-X. 2 blackrose 4096 17:49 video

[Blackrose @ localhost ~] $ Alias CLS = 'clear'
[Blackrose @ localhost ~] $ CLS