A customer of mine was setting up a print queue in AIX recently and came across something strange: Print jobs can have zero lines in them. Even weirder: They still print! I explained to my customer that “zero doesn’t mean nothing.” But wait, that didn’t come out right. I mean the number zero does not mean “nothing.” You’ll get what I mean if you work through a printing example. Zero 101 In some screens in smitty, you’re asked to enter a ...

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