CentOS Command Essay notes (Miscellaneous): CD, PWD

1. Page UP and down:

The reverse commands are generally shift-pageup and shift-pagedown.

Daily one command: CD

1. CD/Enter the system root directory

2. cd. Enter the system root directory to use the CD. "Always back, you can reach the root directory

3. "Current User home Directory" and "system root directory" are two different concepts. There are two ways to access the current user home directory. 1, CD, 2, CD ~

4. CD-Returns the directory where it was before entering this directory

Daily one command: pwd

1. PWD View the full path to the current working directory

2, when the directory connection link, pwd-p shows the actual path, rather than the use of the link path; pwd shows the connection path. (Note capitalization!!!) ）

3. Options:

-L directory connection link, output connection path

-P Output Physical path

4, delete the directory, the connection path can also be displayed, but the actual path will prompt error!!

CentOS Command Essay notes (Miscellaneous): CD, PWD