What are common `cd` commands?

Common cd commands include:

1. Move to a specific directory:

   cd /path/to/directory

2. Move up one level to the parent directory:

   cd ..

3. Move to the home directory:

   cd ~

4. Move to the previous directory:

   cd -

5. Move to a subdirectory:

   cd subdirectory_name

These commands help you navigate through the file system in a terminal.