Unix for advanced users

UNIX File Security Users, groups, /etc/passwd and /etc/group files and superuser File /etc/passwd contains definitions of user accounts, one per line. (See it online). Every item consists of fields separated by colons. For instance: abcde123:x:1001:1001:Tom Sawyer:/usr/users/abcde123:/bin/tcsh The c onsecutive fields have the following meanings: abcd e 123 -- username x -- formerly this field wa

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chmod 777 would allow any user to delete files in a directory(sticky to only allow the owner can delete). may use umask 027 or 077