[Info-vax] Saving data

glen herrmannsfeldt gah at ugcs.caltech.edu
Mon May 2 13:37:12 EDT 2011


Bob Koehler <koehler at eisner.nospam.encompasserve.org> wrote:
> In article <iphmb9$3ah$1 at dont-email.me>, glen herrmannsfeldt <gah at ugcs.caltech.edu> writes:
>> Also, on unix, if you spell the device wrong.
 
>> tar cf /dev/tpae .
 
>> it will write a file into /dev instead of onto the tape.
 
>   If /dev is protected correctly, only root can make this mistake.
>   Of course, root may be needed to make sure all the files of a
>   collection of users can be read.

Yes, it is usual to run as root for making backup tapes.

When most files were world readable, I sometimes did them from
my account, and sometimes lost files that weren't world readable
that someone wanted.  

-- glen



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