Here are my personal notes regarding these special perms :

Octal perm : 4000 (chmod +s ) SUID Other users execute this file as owner of file
Octal perm: 2000 (chmod +g ) GUID Other users execute this as group of the file/dir (It can be applyied to directories )
Ocatl perm: 1000 Sticky bit (Ensuring that users cannot delete other users files in a directory)

SUID : chmod u+s file
GUID: chmod u+g dir
Sticky bit: chmod u+f file/dir

Best regards,

Silviu Hutanu
------------------------------

Nepatec Soft SRL - it consulting & software
N. Titulescu 4
500010 Brasov, Romania
tel/fax: +40 (0)368 003 100
www.nepatec.de

On Fri, Jul 9, 2010 at 3:03 PM, Agnello George <agnello.dsouza@gmail.com> wrote:

i had a small query , whant is the difference between stickybit SUID and SGID , is there any proper site where i can get a clear understanding .

--
Regards
Agnello D'souza

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