CD command, Linux CD command detailed and usage

Source: Internet
Author: User
Tags parent directory
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

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