1 ./shopt.tests: shopt: illegal option: -z
2 shopt: usage: shopt [-pqsu] [-o long-option] optname [optname...]
11 shopt -s expand_aliases
18 shopt -s interactive_comments
22 shopt -u no_empty_cmd_completion
27 shopt -u restricted_shell
28 shopt -u shift_verbose
38 shopt -s expand_aliases
40 shopt -s interactive_comments
58 shopt -u no_empty_cmd_completion
61 shopt -u restricted_shell
62 shopt -u shift_verbose
78 no_empty_cmd_completion off
104 set -o interactive-comments
129 interactive-comments on
154 set -o interactive-comments
169 set -o interactive-comments
206 ./shopt.tests: shopt: xyz1: unknown shell option name
207 ./shopt.tests: shopt: xyz1: unknown option name