7
! true | false; echo $?
10
! false | true; echo $?
11
echo "exit 2 | exit 3 | exit 4:"
12
exit 2 | exit 3 | exit 4; echo $?
13
! exit 2 | exit 3 | exit 4; echo $?
19
! true | true; echo $?
22
! true | false; echo $?
25
! false | true; echo $?
26
echo "exit 2 | exit 3 | exit 4:"
27
exit 2 | exit 3 | exit 4; echo $?
28
! exit 2 | exit 3 | exit 4; echo $?
34
! true | true; echo $?
37
! true | false; echo $?
40
! false | true; echo $?
41
echo "exit 2 | exit 3 | exit 4:"
42
exit 2 | exit 3 | exit 4; echo $?
43
! exit 2 | exit 3 | exit 4; echo $?