Template:Module 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. 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

{{#set:

 Shell keyword=for |
 Shell keyword=while |
 Shell keyword=if |
 Shell builtin=test |
 Shell builtin=read |
 Shell builtin=read |
 Command=seq |
 Command=test

}}