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On a FreeBSD server, is there any way to encrypt a file, which is probably 90%+ of my quota?

I thought of using split, then after encrypting a file, delete the original.. but then, when I have all the split encrypted files, how could I merge them [using cat files* > all ], without using double disk quota? And how could I split the file without going over also? lol

I realize this might be impossible, if it is, then just say so.

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Often your quota does not count against file in /tmp if this is the case you could put the encrypted output there – Lamar B Aug 1 '11 at 17:51
In place encryption does exist – soandos Aug 1 '11 at 18:41
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Here is a post on SO that describes it pretty well, and its downsides. It is possible though.

ccrypt seems to be the way to go.

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