List of top Computer Questions on Operating Systems

What is an Operating System (OS)? Name two popular examples like Windows or Linux.
What is the ‘grep’ command?
What is the basic difference between BASH and DOS?
What are the advantages of Linux?
Which command is used to display the name of the operating system?
Unix is which kind of operating system?
Which of the following commands is used to change the working directory?
Which Linux command is used to count the total number of lines, words, and characters contained in a file?
Who founded the Linux Kernel?