Richard Melville wrote:
If you have a recent tar, it will identify the compression for you. Add a v
if you want to see the files.
Not that recent; you don't need the "-" either.
The dash in tar commands such as 'tar -xf filename' is recommended for
linux. There are three types of options: bsd, gnu short, and gnu long.
There is a difference beyond the dash between bsd options and gnu
short options. In this case, they do the same thing, but using bsd
options does not always accomplish what you want.
For instance, using gnu short options, you can do:
tar -xf filename.tar.xz -v
so if you forget the -v when initially typing the command, you can just
add it at the end and do not have to back up. You can't do that with
bsd style options.
See the tar man page section on COMPATIBILITY.
-- Bruce
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