What does the command "tar zxf latest.tgz" do?

What does the command 'du -hcs *' do?

How do you update the last accessed time of a file?

Which of the following options of ln will allow you to create a symbolic link?

On a Linux system without the Shadow Suite installed, user passwords are stored in _______.

Which of the following can not be done with the help of ssh?

The cksum command will read from standard input if:

What does the command 'set $(date)' do?

Which command will tell you how long a system has been up and running since it was last booted?

Which one of these lines will check if the directory 'foo' exists and create it if it doesn't?

what the 'netstat -lx' command do?