105.2 Customize or Write Simple Scripts LPIC-1 Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   What is the purpose of the shebang line in a script?

   • AIt makes the script executable.
   • BIt specifies the interpreter to execute the script.
   • CIt defines a variable for the script.
   • DIt comments out the first line of the script.
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   Which shell option causes a script to exit immediately if any command fails?

   • Aset -x
   • Bset -u
   • Cset -f
   • Dset -e
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   Which loop construct repeats a block of code as long as a condition is true?

   • Afor
   • Bwhile
   • Ccase
   • Duntil
   Reveal Solution Discussion Select an answer first
5. 19expert · medium

   A script uses set -e and contains a command that is expected to fail occasionally, but the failure is not fatal. The administrator wants to allow that specific command to fail without exiting the script. Which approach correctly handles this?

   • Acommand || true
   • Bif command; then :; fi
   • Ccommand || exit 0
   • Dset +e; command; set -e
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   Which shell option traces each command before it is executed?

   • Aset -e
   • Bset -x
   • Cset -u
   • Dset -v
   Reveal Solution Discussion Select an answer first