Basic command prompt

Question 1

pwd

Answer 1

print working directory - shows the current directory

Question 2

cd

Answer 2

change directory

Question 3

ls

Answer 3

shows the list of the directory

Question 4

reading files

Answer 4

cat web.log20201002

Question 5

searching directories/files

Answer 5

| at the end of the comand

grep ‘text’

Question 6

text editor

Answer 6

nano php.ini

Question 7

sudo

Answer 7

superuser keyword

Question 8

checking last lines of the file (for reading logs)

Answer 8

tail -f web.log.20201002

Question 9

history

Answer 9

searching hsitory (| grep can be a modifier)

Question 10

What does “/” , “./”, “../” represent while giving path?

Answer 10

/ is the root of the current drive;
./ is the current directory;
../ is the parent of the current directory.