The cd command is abbreviation for change directory. The cd command is used to change the current working directory/folder to another/specific directory/folder.
1. Change to another directory from parent directory
# pwd / # cd /home # pwd /home
2. Change to another directory from current directory
# pwd /home # cd /../oracle # pwd /oracle
3. Change to parent directory.
# cd /
4. Move up one directory.
# pwd /oracle/itsiti # cd .. pwd /oracle
