GNU/Linux Command – CD

cd — Change the Current Directory
 
Summary :

cd is bash shell’s built-in command. It is used to change the present working Dir to specific Dir.
 
Examples :
$ cd -- Change the current Dir to $HOME ($HOME is the default).  $ cd ~ -- Same as above.  $ cd ~bharathi -- Goto the Home Dir of bharathi.  $ cd myprj -- Change the current Dir to myprj.  $ cd .. -- Goto the parent Dir.  $ cd - -- Goto the last visited Dir.
TIP:

CDPATH – Easy access to frequently used Dirs. For example, I use /usr/a/dir1, /usr/b/dir2/ and /usr/c/dir3 very frequently. So I added the above dirs CDPATH like this  CDPATH=/usr/a/dir1/:/usr/b/dir2/:/usr/c/dir3/  Now there no need for me to type exact path to cd. Just cd dir1 will cd to /usr/a/dir1. Actually cd will looks into CDPATH before doing the action.
 
Note:
1) Before changing to new path, cd will save the old path in the $OLDPWD evn variable.
2) After changing to new path, cd will save the new path in the $PWD env variable.
 
Read : help cd

Advertisements
Tagged with: ,
Posted in Uncategorized

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: