105.2 – Customize or write simple scripts
Weight
4
Description
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.
Files, Terms, and Utilities
-
for -
while -
test -
if -
read -
seq -
exec -
|| -
&&