Minimal skills

Ralf Mardorf ralf.mardorf at
Thu Jun 4 08:28:19 UTC 2020


[rocketmouse at archlinux tmp]$ diff file_a.txt file_b.txt
< 1234
> 5678
[rocketmouse at archlinux tmp]$ echo $?

The OP might want to google why 'echo $?' returns 1 and what it is good
for ;). IMO those are the things a novice should do before maintaining
a mail server or port.

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