#pragma section-numbers 1
<<TableOfContents>>

 * [[bash/invocation/option|Invocation Options]]
 * [[bash/builtin/set|Set Options]]
 * [[bash/builtin/shopt|Shopt Options]]

==== Invocation Option O ====
----
[[bash/invocation/option/oo|-O]] [[bash/builtin/shopt|ShoptOption]] `|` [[bash/invocation/option/oo|+O]] [[bash/builtin/shopt|ShoptOption]]
 * shopt_option is one of the shell options accepted by the shopt builtin (see SHELL BUILTIN COMMANDS below).
 * If shopt_option is present, -O sets the value of that option; +O unsets it.
 * If shopt_option is not supplied, the names and values of the shell options accepted by shopt  are  printed on the standard output.
 * If the invocation option is +O, the output is displayed in a format that may be reused as input.