Tcl 9.0/Tk9.0 Documentation > Tcl Commands, version 9.0.0 > cd

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NAME

cd — Change working directory

SYNOPSIS

cd ?dirName?

DESCRIPTION

Change the current working directory to dirName, or to the home directory (as specified in the HOME environment variable) if dirName is not given. Returns an empty string.

Note that the current working directory is a per-process resource; the cd command changes the working directory for all interpreters and all threads.

EXAMPLES

Change to the home directory of the user fred: 

cd [file home fred]

Change to the directory lib that is a sibling directory of the current one: 

cd ../lib

SEE ALSO

filename, glob, pwd

KEYWORDS

working directory
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