1 ./shopt.tests: line 2: shopt: -z: invalid option
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
93 set -o interactive-comments
118 interactive-comments on
143 set -o interactive-comments
168 set -o interactive-comments
206 ./shopt.tests: line 93: shopt: xyz1: invalid shell option name
207 ./shopt.tests: line 94: shopt: xyz1: invalid option name