[TUHS] Who's behind the UNIX filesystem permission

Noel Chiappa jnc at mercury.lcs.mit.edu
Sat Aug 3 00:35:31 AEST 2019

    > From: Arthur Krewat

    > there's the setuid bit on directories - otherwise known as the sticky
    > bit.

Minor nit; in V6 at least (not sure about later), the 'sticky' bit was a
separate bit from SUID and SGID. (When set on a pure/split object file, it
told the OS to retain the text image on the swap device even when no active
process was using it. Hence the name...)


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