Unix file modes

[john ralls]

In article <197657 at hrc.UUCP> dan at hrc.UUCP (Dan Troxel) writes:
>I am going through 3 systems, to increase security  
> Any good books out there? 

An excellent book on UNIX System Security is titled "UNIX System
Security" (obvious, huh?) by Patrick Wood and Steven Kochan, SAMS/Hayden
1985, ISBN 0-8104-6267-2.  It covers all the stuff mentioned and more.
John