Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I saw a kernel option today in menuconfig that used braces for its checkbox.

{*}   Button

This isn't listed in the legend at the top of the screen.

[*] built-in  [ ] excluded  <M> module  < > module capable

What do the braces signify?

share|improve this question
up vote 5 down vote accepted

It represents an option that has been implied to a specific value by another option.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.