Which command would replace “bob” with “Bob” in all instances and generate a new letter for printing?
What command will print a list of usernames (first column) and their corresponding user id (uid, third column) from /etc/passwd?
Which command should be added to /etc/bash_profile to change the language of messages from an internationalised program to Portuguese (pt)?
What command can be used on an existing (formatted) partition, to configure the interval between disk checks when mounting partitions?