Linux command--CD

CD command description

The CD command is used to switch the working directory to dirname. Where dirname notation can be either an absolute path or a relative path. If the directory name is omitted, it is transformed to the user's home directory (that is, the directory where login was first). Other than that~Also expressed as the meaning of home directory,.Is the directory where you are currently located,..Represents the previous level of directory at the current directory location.

Grammar

CD (options) (parameters)

Option description

-P If the destination directory you want to switch to is a symbolic link, switch directly to the destination directory that the symbolic link is pointing to. -L If the target directory that you want to switch is a link to a symbol, switch directly to the directory that the word linked name represents, not the destination directory to which the symbol points. -When only the "-" option is used, the current working directory is switched to the directory represented by the environment variable "OLDPWD".

Instance

CD into the user's home directory

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CD ~ Go to User home directory

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

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Cd.. Return to the parent directory (if the current directory is "/", then "/"; "..." after execution) Indicates the meaning of the parent directory)

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Cd..    /.. Return to the top level two directory

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CD!$ Use the parameters of the previous command as parameters of the CD command

This article is from the "wind and Rain Forest" blog, please make sure to keep this source http://fengyushanlin.blog.51cto.com/12092006/1978838

Linux command--CD