Unix/Linux

Question 1

What is a command to change directory to directory name?

Answer 1

cd directory_name

Question 2

What is a command to change permissions?

Answer 2

chmod [permissions] [file/directory]

Question 3

What is a command to copy?

Answer 3

cp [options] source_file destination

cp -r directory_name destination/

Question 4

What is a command to display information about file type?

Answer 4

file [filename]

Question 5

What is a command to search files?

Answer 5

find search_path -name filename

grep “hello” *.txt

Question 6

What is a command to create a new directory?

Answer 6

mkdir directory_name

Question 7

What is a command to move a file to a different location?

Answer 7

mv file_name directory_name

Question 8

What is a command to remove a file?

Answer 8

rm example.txt

Question 9

What is a command to remove a directory?

Answer 9

rm -rf my_folder

Question 10

What is vi?

Answer 10

Visual editor is a command-line editor that allows users to create, edit, and manipulate text files.

Question 11

How to save changes in vi editor?

Answer 11

:w
:wq - save and quit
:q! - quit without saving