Free Linux Foundation LFCS Exam Questions

Become Linux Foundation Certified with updated LFCS exam questions and correct answers

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Total 260 Questions | Updated On: May 11, 2026

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Question 1

How can the normal output of a command be written to a file while discarding the error output?

A : command >2>file 1&>/dev/null

B : command < output > /dev/null

C : command > discard-error > file

D : command > /dev/null 2&>1 output

E : command >file 2>/dev/null

Answer: A

Question 2

Which of the following are requirements in order to run a shell script like a regularcommand from anywhere in the filesystem? (Choose THREE correct answers.)

A : The user issuing the command must be in the group script.

B : The script file must be found in the $PATH.

C : The script file must have the executable permission bit set.

D : The script must begin with a shebang-line (#!) that points to the correct interpreter.

E : The file system on which the script resides must be mounted with the option scripts.

Answer: B,C,D

Question 3

Which of the following files, located in the user home directory, is used to store the Bashhistory?

A : .bash_history

B : .bash_histfile

C : .history

D : .bashrc_history

E : .history_bash

Answer: A

Question 4

Which of the following commands reboots the system when using SysV init? (Choose TWOcorrect answers.)

A : shutdown -r now

B : shutdown -r "rebooting"

C : telinit 6

D : telinit 0

E : shutdown -k now "rebooting"

Answer: A,C

Question 5

What is the correct command to extract the contents of the archive file download.bz2?