command line basics

Question 1

What is a CLI?

Answer 1

A command-line interface (CLI) is a text-based user interface

Question 2

What is a GUI?

Answer 2

A graphics-based operating system interface that uses icons, menus and a mouse: graphics user interface

Question 3

man

Answer 3

manual used to find information about other commands

Question 4

cat

Answer 4

cat command allows us to create single or multiple files, view content of a file, concatenate files and redirect output in terminal or files.

Question 5

ls

Answer 5

The ls command lists files and directories within the file system, and shows detailed information about them.

Question 6

pwd

Answer 6

pwd stands for Print Working Directory. It prints the path of the working directory, starting from the root.

Question 7

touch

Answer 7

used to create, change and modify timestamps of a file.

Question 8

mkdir

Answer 8

allows the user to create directories (also referred to as folders in some operating systems)

Question 9

mv

Answer 9

mv stands for move. mv is used to move one or more files or directories from one place to another in a file system like UNIX.

Question 10

rm

Answer 10

rm is a command-line utility for removing files and directories.

Question 11

cp

Answer 11

cp stands for copy. This command is used to copy files or group of files or directory.