• Hack 1. Use CDPATH to define the base directory for cd command
• Hack 2. Use cd alias to navigate up the directory effectively
• Hack 3. Perform mkdir and cd using a single command
• Hack 4. Use “cd -” to toggle between the last two directories
• Hack 5. Use dirs, pushd and popd to manipulate directory stack
• Hack 6. Use “shopt -s cdspell” to automatically correct mistyped directory names on cd