Linux common commands (1) CD command

1 command format:
CD [Directory name]
2 command functions
Toggle current directory to DirName
3 Common examples
3.1 Entering the system root directory
CD/
3.2 Go to Parent directory
Cd.. or CD. //
3.3 Entering the current user home directory
The current user home directory and system root are different concepts
CD or CD ~
3.4 Jump to the specified directory
Cd/opt/soft
Jump to the specified directory, starting from the root directory, the directory name plus/, the current directory in the subdirectory directly write the name can be

Linux common commands (1) CD command