mtab \- mounted file system table
and contains a table of devices mounted by the
Each entry is 64 bytes long;
the first 32 are the null-padded name of the
place where the special file is mounted;
the second 32 are the null-padded name of the special
The special file has all its directories
that is, everything through the last `/' is thrown
This table is present only so people can look at it.
if there are duplicated entries nor
if a name cannot be found.