Here are some common exit codes that may be returned by a program or script.
|127||Command Not Found|
|128+n||Fatal error signal n, where n is the signal number as defined in:|
|130||Program Interrupted (SIGINT, 2), such as termination from Ctrl-C|
|134||Program Abort (SIGABRT, 6)|
|136||Erroneous Arithmetic Operation (SIGFPE, 8), such as division by zero|
|139||Segmentation Fault (SIGSEGV, 11)|
|255||maximum exit code. exit 3809 results in 225 (3809 % 256)|