[TUHS] Shell control through external commands

Chet Ramey chet.ramey at case.edu
Sun Sep 11 06:02:17 AEST 2016

On 9/10/16 1:45 PM, Dario Niedermann wrote:

> TIL! Still, it seems to me that there is no way the `cd' script can
> actually accomplish anything, even when called by exec().

Use it as a permissions check.

``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://cnswww.cns.cwru.edu/~chet/

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