SFC20423 - OS | LINUX

The Kernel in Linux OS sits in between Hardware and application software

• True

• False

Following command can be used to list all the directory contents including hidden files :

• ls -l

• ls -a

• ls -t

• ls -r

Which command is used for creating folders in linux ?

• touch

• cat

• mkdir

• mv

Which command can be used to check Linux distribution ?

• whoami

• lsb_release

• id

• find

How to list all the groups a user belongs to ?

• id

• whoami

• which group

• sudo

Which of the following is not a Linux file permission?

• Read

• Write

• Execute

• Rename

Which directory should be used to mount the storage devices, either temporarily or permanently ?

• /mnt

• /etc

• /opt

• /srv

Which command is used to delete an user in linux?

• rm

• rm-user

• userdel

• delete-user

Which of the following permissions allow only group members to read and execute the file and denies everything for anyone else ?

• rwxrwx---

• rw-r-x--x

• ---r-x---

• r-x-w-rwx

To copy a file named "file.txt" to another location, what command should you use?

• rm

• cp

• mkdir

• mv