$ set frog pets $ echo $1_$2 frog_pets
man set is not bringing me anything =( neither is
which set or
set is a bash shell command
If you type
man bash and then search for
/abef should move to the section that describes
set and the various available.
To confirm that you are using a shell built command you can run:
if the message
command is a shell builtin is the output, then you can find the help for these types of commands via
As an added bonus you can pipe the output into either
pager to enable page-by-page scrolling i.e.
help | more
help | pager
(with thanks @psusi & @eljunior & @andrewsomething)