how to enter into a folder in ubuntu code example

Example 1: navigate to a directory linux

/* File & Directory Commands
To navigate into the root directory, use */ "cd /" /*
To navigate to your home directory, use */ "cd" /*or*/ "cd ~" /*
To navigate up one directory level, use*/ "cd .." /*
To navigate to the previous directory (or back), use */ "cd -"

Example 2: linux command to go to the previous directory

cd -   #go to the previous directory