Howdy,

bash-3.2$ ocaml
Objective Caml version 3.10.2

# exit 1;;
bash-3.2$ echo $?
1
bash-3.2$ ocaml
Objective Caml version 3.10.2

# exit 50;;
bash-3.2$ echo $?
50

The $? variable is the value that the terminated process returned.

DSL

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