Randy's Stupid Question of the day

[richj at northcs.com]

Your reply:

 >>From owner-kclug at illiana.net  Fri Sep  8 10:15:27 2000
 >>From: "Duston, Hal" <hdusto01 at sprintspectrum.com>
 >>To: "'kclug at kclug.org'" <kclug at kclug.org>
 >>Subject: RE: kclug - Randy's Stupid Question of the day
 >>Date: Fri, 8 Sep 2000 10:12:13 -0500 
 >>
 >>Randy,
 >>
 >>The bits that are ON in the umask are turned OFF when a file 
 >>is created.  So if you want to create rwxr-xr-x, you need a 
 >>umask of 022, and then manually set the file to +x.
 >>
 >>>From the HP/UX manpage:
 >>When a new file is created (see creat(2)), each bit that is set 
 >>in the file mode creation mask causes the corresponding 
 >>permission bit in the the file mode to be cleared (disabled).  
 >>Conversely, bits that are clear in the mask allow the 
 >>corresponding file mode bits to be enabled in newly created 
 >>files.  
 >>
 >>For example, the mask u=rwx,g=rx,o=rx (022) disables group and 
 >>other write permissions.  As a result, files normally created 
 >>with a file mode shown by the ls -l command as -rwxrwxrwx (777) 
 >>become mode -rwxr-xr-x (755); while files created with file mode 
 >>-rw-rw-rw- (666) become mode -rw-r--r-- (644).  
 >>
 >>Note that the file creation mode mask does not affect the 
 >>set-user-id, set-group-id, or "sticky" bits.
 >>
 >>I am not sure how to get the execute bits to be on by default...
 >>
-------------------------------------------------------------

Good answer, assuming he knows how to talk octal and doesn't
think 022 is a decimal number. 

For a normal file, there would be no need to have the
execute(x) bit turned on. Has a diffent meaning altogether
when dealing with directories, but believe his original
question related to files.

Richard Johnson

-------------------------------------------------------------
 >>Hal Duston
 >>hald at sound.net
 >>
 >>Randy Rathbun [randy at rrr.2y.net] wrote:
 >>> Okay, I give.
 >>> 
 >>> How in the world does umask work? I am trying to change it to
 >>> rwxr-xr-x. If it is 022, it is rw-r--r--. Okay, *that* makes total
 >>> sense... ahem. 
 >>> 
 >>> And then setting it to 220 results in r--r--rw. And even 
 >>> stranger stuff
 >>> starts if I go to other numbers. 
 >>> 
 >>> Anyone care to explain this?
 >>> 
 >>> 
 >>> Randy Rathbun
 >>> randy at rrr.2y.net
 >>> http://rrr.2y.net
 >>
 >>
 >>
 >>
 >>