Listing 4. Changing a File's Permissions with chmod

bash-$ ls -l baton_dealers.txt

-rw-rw-r--  1  maestro  conductors  35414  Mar 25 01:38 baton_dealers.txt

bash-$ chmod go-rw baton_dealers.txt
bash-$ ls -l baton_dealers.txt

-rw-------  1  maestro  conductors  35414  Mar 25 01:38 baton_dealers.txt