The cd command is used to change working directories.
You simply type cd followed the path name to change to.
Here's some examples:
darkstar:~$ cd /bin
darkstar:/bin$ cd usr
bash: cd: usr: No such file or directory
darkstar:/bin$ cd /usr
darkstar:/usr$
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Notice that without the preceding slash, it tries to change to a
directory in the current directory.
The cd command is not like the other commands. It is a
builtin shell command. Shell builtins are discussed in
the section called Environment Variables in Chapter 8. This may not make any sense to you right
now. Basically it means there is no man page for this command. Instead,
you have to use the shell help. Like this:
It will display the options for cd and how to use them.