#pragma section-numbers 1
<<TableOfContents>>

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

==== Invocation Option i ====
----
[[bash/invocation/option/i|-i]] `[`[[bash/invocation/option|options]]`]`

 * force the shell into [[bash/invlcation/mode/InteractiveShell|Interactive Mode]]
 * `[[ $- =~ i ]]`  will return true
 * `[[ ${PS1+set} = 'set' ]]`  will return true