Answer Posted / pradeep kumar keshari

LS command is used to see the contains of a Directory. You
can user add one with ls command to see the special files
like hidden, pwd.

# ls - >
#ls -l -> to list the long listed info files/dir
#ls -a -> to list the hidden files/dir
#ls -ld -> to list the long listed information of PWD
#ls -lr -> " " " sub dir level info

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