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: Feb 18, 2026

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Question 1

Which of the following commands will send output from the program myapp to bothstandard output (stdout) and the file file1.log?

A : cat < myapp | cat> file1.log

B : myapp 0>&1 | cat > file1.log

C : myapp | cat > file1.log

D : myapp | teefile1.log

E : tee myapp file1.log

Answer: D

Question 2

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 3

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 4

Which of the following are valid stream redirection operators within Bash? (Choose THREEcorrect answers.)

A :

B :

C : >

D : >>>

E : %>

Answer: A,B,C

Question 5

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

A : silent

B : verbose=0

C : nomesg

D : quiet

Answer: D

Page: 1 / 52

Total 260 Questions | Updated On: Feb 18, 2026

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