LFCS

LFCS practice questions, page 11 of 11, with answer review and explanations.

Question 51

What is the purpose of the Bash built-in export command?

  1. It allows disks to be mounted remotely.
  2. It runs a command as a process in a subshell.
  3. It makes the command history available to subshells.
  4. It sets up environment variables for applications.
  5. It shares NFS partitions for use by other systems on the network.

Question 52

What is the output of the following command? echo "Hello World" | tr -d aieou

  1. Hello World
  2. eoo
  3. Hll Wrld
  4. eoo Hll Wrld