“autojump“ is a faster way to navigate your filesystem. It works by maintaining a database of the directories you use the most from the command line.
sudo apt-get install autojump
# "autojump" will record the directories you entered. Then
# you can use the following command to get into a directory
# such as "octopress":
# Use the following command to list all recorded data:
# Use the following command to get help:
You can find some useful information about using “autojump” from here and here.