Randy's Stupid Question of the day

[Randy Rathbun]

Ah-HA! Thanks Hal! There is like NO umask info in man that I have found,
other than a thing that basicly says what umask --help says. 

This all is really getting on my nerves though. I think I should go back
to playing with the CueCat. :)

On Fri, 8 Sep 2000, Duston, Hal wrote:

> 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...
> 
> 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
> 
> 
> 
> 
> 

-- 

Randy Rathbun
randy at rrr.2y.net
http://rrr.2y.net

Linux: the operating system with a CLUE... Command Line User Environment.
         -- seen in a posting in comp.software.testing