The command in the CD command-linux to switch the user's current directory is the change directory abbreviation
Grammar
. Represents the user's current directory,.. Represents the upper-level directory of the current directory
CD (options) (parameters)
Option-P The directory to be toggled is a symbolic link that switches directly to the destination directory to which the symbolic connection is directed.
Option-L If the destination directory that you want to switch is a symbolic connection, switch directly to the directory that the character connection name represents, not the destination directory to which the symbolic connection is pointing.
- When only the "-" option is applied, the current working directory will be switched to the directory represented by the environment variable "OLDPWD". Go back to the previous directory
~ is to switch home directory
Test Example:
CD/TMP switch to the TMP directory
The CD enters the user's home directory;
CD ~ Enter the user's home directory;
CD-Returns the directory where the directory was before it entered;
Cd.. Return to the parent directory;
Cd.. /.. Return to the top level two directory;
CD!$ Use the parameters of the previous command as CD parameters.
CD command, Linux CD command detailed and usage
