I looked at I had to look at the source to be sure what the three different return codes 0, 1 and 2 would mean and if there was more to it.
Depending on the error, config(8) exists 1 or 2. 0 on success as usual. OK? Index: config.8 =================================================================== RCS file: /cvs/src/usr.sbin/config/config.8,v retrieving revision 1.73 diff -u -p -r1.73 config.8 --- config.8 13 Sep 2021 17:43:26 -0000 1.73 +++ config.8 2 Nov 2021 22:17:14 -0000 @@ -322,6 +322,8 @@ Show all devices for which attribute has the value .Ar val . .El +.Sh EXIT STATUS +.Ex -std .Sh EXAMPLES The Ethernet card is not detected at boot because the kernel configuration does not match the physical hardware configuration,
