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Re: [BOG] Manglende forklaringer på options



On Thu, 7 Aug 2003, David List wrote:

> Det irriterer mig ad pommern til at jeg, når jeg søger i SSLUG's
> bøger, nogle gange støder på eksempler på kommandolinier med
> anvendelse af options, der ikke er forklaret i bogen, og heller ikke
> er dokumenteret i man-siderne.

Det lyder som en valid anke.

> 
> Eksempler er:
> 
> ssh-keygen -d
> -d option er ikke dokumenteret i mine man- eller info-sider.
> http://www.linuxbog.dk/sikkerhed/bog/opsaetning-af-openssh.html
> 
> mount -o loop
> -o loop option er ikke dokumenteret i mine man- eller info-sider.
> http://www.linuxbog.dk/applikationer/bog/cdrom-iso-fremstilling.html

Hmm?

Fra man mount:

THE LOOP DEVICE
       One further possible type is a mount via the loop device. For  
example,
       the command

         mount /tmp/fdimage /mnt -t msdos -o 
loop=/dev/loop3,blocksize=1024

       will  set  up  the  loop  device  /dev/loop3  to correspond to the 
file
       /tmp/fdimage, and then mount this device on /mnt.  This type  of  
mount
       knows  about  four  options, namely loop, offset,  encryption and 
pseed
       that are really  options  to  losetup(8).   If  the  mount  
requires  a
       passphrase,  you  will  be  prompted  for one unless you specify a 
file
       descriptor to read from instead with the -p  option.   If  no  
explicit
       loop  device is mentioned (but just an option `-o loop' is given), 
then
       mount will try to find some unused loop device and use  that.   If  
you
       are  not so unwise as to make /etc/mtab a symbolic link to 
/proc/mounts
       then any loop device allocated by mount will be freed by  umount.   
You
       can  also  free  a  loop  device  by hand, using `losetup -d', see 
los-
       etup(8).

?

Mads

-- 
Mads Bondo Dydensborg.                               sslug@sslug
I don't even consider working for MS Shops, or shops with extensive MS
deployment anymore. These companies are rape victims, and too self-abusive to 
get away. Why waste time trying to help those who will not help themselves? 
                                                       - David C. Manchester



 
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