LPI Linux Certification/Customize Or Write Simple Scripts

Detailed Objectives edit

(LPIC-1 Version 5.0)

Weight: 4

Candidates should be able to customize existing scripts, or write simple new Bash scripts.

Key Knowledge Areas:

  • Use standard sh syntax (loops, tests).
  • Use command substitution.
  • Test return values for success or failure or other information provided by a command.
  • Execute chained commands.
  • Perform conditional mailing to the superuser.
  • Correctly select the script interpreter through the shebang (#!) line.
  • Manage the location, ownership, execution and suid-rights of scripts.

The following is a partial list of the used files, terms and utilities:

  • for
  • while
  • test
  • if
  • read
  • seq
  • exec
  • ||
  • &&