Buildin EXIT

[edooarda]

4 cases:

1 - only exit (no arg)

• exit shell, write word exit and echo $? 0

2 - exit with numerical arg (23)

• exit shell, write word exit and echo $? will be the number that was arg, 0 till 255, 256 = 0, 257 = 1, 255 is the max number for exit echo

3 - exit with argument as number and word

• not exit shell, write too many arguments and echo $? 1

4 - exit with arguments as word word

• exit shell, write not numerical argument and echo $? 2