Linux command--CD

2. Command format:
   

   CD [Directory name]

4. Command function:

   Switch directories

6. Common examples:

Example one: Go to the root directory

Command: CD/

Example two: Enter the current user's host directory

Command: CD or cd~

Example three: Entering a specified directory, such as/usr/src

Command: cd/usr/src

Example four: Return to the directory in which it was before entering this directory

Command: CD-

Example five: Go to the top-level directory of the current directory, as the current directory is/USR/SRC

Command: CD.

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Linux command--CD