comprehensive linux

Who founded Linux Kernel?

• 1. Ken Thompson and Dennis Ritchie

• 1. Linus Torvalds

• 1. Linus Torvalds and Ken Thompson

• 1. Richard Stallman

What is an kernal?

• interface between the hardware and application programs

• interface between the Os and hardware

• system service provider to the application programs

• all of the mentioned

It runs multiple operating system in one hardware

• virtual machine

• virtual box

• virtual dual

• virtual net

Which symbol represents the user's root directory?

• 1. ~

• 1. @

• #

• /

Which Linux command is used to know which directory you are in?

• cmd

• help

• pwd

• cd

Which Linux command is used to go back from a folder to the folder before that?

• cd..

• cd

• cd...

• cd /

Which Linux command is used to create a new file?

• touch

• mkdir

• file

• tch

Which Linux command is used to display the content of a file?

• cat

• display

• cat >>

• echo

The ___ command gives you your IP address in your network.

• 1. hostname

• 1. hostname -i

• 1. hostname -L

• 1. hostname -a

The ___ term stands for the calendar. It displays the current month's calendar with the current day highlighted.

• cal

• cal -y

• cal -y year

• cal date