In POSIX-compatible shell, what will you see if you enter "echo foo*" when there are no files beginning with "foo" in the current directory?

In a file delimited by commas, what command will print the 3rd column of data:

what the 'netstat -lx' command do?

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

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

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

Where are the configuration files for a scanning device located?

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

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

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

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