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Re: Is it multi-user?

by jonadab (Parson)
on Dec 04, 2005 at 18:56 UTC ( #513984=note: print w/replies, xml ) Need Help??

in reply to Is it multi-user?

Hmmm... I'm not sure there's any general way to determine that, without ennumerating and testing for specific systems. Why do you need to know? Do the tests have an adverse effect if they're unnecessary? Are they run often enough to impact performance? What happens on a single-user system (e.g., BeOS, MacOS 9, or DOS), that you want to avoid?

Also, how are you defining "single-user system"? Does Windows 98 count, even though it has a concept of user accounts? Why? Because only one can be active at a time, or because the filesystem doesn't have a concept of file ownership? Which? If the latter, would a Linux system count if the files in question are on a vfat or UMSDOS filesystem?

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Re^2: Is it multi-user?
by ChemBoy (Priest) on Dec 05, 2005 at 01:04 UTC

    Just as a passing note, Mac OS 9 and below (I'm not sure how far back, but a fair number of revisions) did in fact support the notion of files owned by different people, though they rarely (prior to OS 9) did anything much with it.

    If God had meant us to fly, he would *never* have given us the railroads.
        --Michael Flanders

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