The dtype utility and the device /dev/install are helpful in determining what is on a disk. The command
dtype /dev/fd048
will determine what type of 48tpi floppy is in the drive mountable, tar format, DOS, etc.).
If you don't know the density of the disk, /dev/install will
read that disk anyway (by trying a number of densities until a read is successful). Note that the command
dtype /dev/install
is an almost universal disk identifier. It doesn't tell you
what density disk it found, but it will diagnose the type of
disk present.
The command
tar tvf /dev/install
will list the contents of a tar format disk of any density.
This also works for tape drives also by issuing the command
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.