cd — Change present working directory
This changes the present working directory of the shell to the specified directory, the change may be relative to the current directory or an absolute path.
Example 12.1. Using the cd and ls commands to navigate a filesystem
This shows using the cd command to change into the boot directory of the first hard drive and then perform a relative move into the var directory.
>cd (hd0)/boot >ls config-2.6.13-simtec1 vmlinuz-2.6.13-simtec1 >cd ../var >ls lib cache backups local lock log run spool tmp opt mail >