Linux Foundation LFCS Exam Real Questions

Prepare and pass your LINUX FOUNDATION CERTIFIED SYSTEM ADMINISTRATOR (LFCS) with free LFCS exam questions.

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Total 260 Questions | Updated On: Sep 02, 2024

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Question 1

Which of the following commands is used to change options and positional parameters for

a runningBash?

A : history

B : set

C : bashconf

D : setsh

E : envsetup

Answer: B

Question 2

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 3

Which of the following statements is correct regarding the command foo 1> bar?

A : The stdout from the command foo is appended to the file bar.

B : The stdout from the command foo overwrites the file bar.

C : The commandfoo receives its stdin from the file bar.

D : The command foo receives its stdin from the stdout of the command bar.

E : The stderr from the command foo is saved to the file bar.

Answer: B

Question 4

Which of the following commands will send output from the program myapp to both

standard 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 5

When the command echo $$ outputs 12942, what is the meaning of 12942?

A : It is the process ID of the echo command.

B : It is the process ID of the current shell.

C : It is the process ID of the last command executed.

D : It is the process ID of the last command which has been placed in the background.

Answer: B

Page: 1 / 52

Total 260 Questions | Updated On: Sep 02, 2024

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