About
The directory stack permits to navigate and come back in the directory tree.
Management
Display
Add
Directories are added to the list with the pushd command;
Rotate
See pushd
Remove
The popd command removes entries from the list.
Example
Go away and returns
# we are now in /
pushd /aDir/
# we are now in /aDir/
popd
# we are now back in the starting current directory /