[Info-vax] Exabyte tapes to disk

glen herrmannsfeldt gah at ugcs.caltech.edu
Fri Aug 28 16:58:51 EDT 2009


Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
 
< VMS is a "record oriented" system.  Contrast with Unix which denies the 
< concept of records!  You can use records under Unix but you get no help 
< from the O/S.  The O/S will hand you a wad of bytes and it's up to you 
< to figure out where the record boundaries are.  Both approaches can be 
< made to work.  As an old f... who grew up with 80 column punched cards
< I tend to think in a record paradigm!

Not completely true for unix in the case of tapes, but
it is for disk.  If you want to copy a tape to disk you might
need to preserve record marks.  There are virual tape formats
that do preserve them.

-- glen



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