convertfs — convert an HFS file system to allow long file names
command converts an existing HFS file system
supporting the default maximum file name length
of 14 characters into one that supports file names
up to 255 characters long.
Once an HFS file system is converted to long file names,
it cannot be restored to its original state,
since the longer file names require a directory representation
that is incompatible with the default HFS directory format.
Since this is an irreversible operation,
prompts for verification before it performs a conversion.
forces the system to reboot if the root file system is converted.
When converting the root file system,
the system should be in single-user mode,
with all unnecessary processes terminated
and all non-root file systems unmounted.
Except for the root file system,
requires that the file system to be converted be unmounted.
If invoked without arguments,
interactively prompts the user with a list of the HFS file systems from
One or more or all of the listed file systems
can be selected for conversion.
Typically, it is desirable to convert all of the file systems in
to avoid inconsistencies between two file systems
mounted on the same system.
can also be invoked with an argument of either a block or character
name for a file system to be converted.
Only the block special file should be specified
for a mounted root file system.
As part of the conversion process,
on each file system (see
Do it quietly.
will perform the conversions without querying the user.
prompts the user before converting a file system.
returns the following values:
successfully converted the file system, or the file
system already allowed long file names.
was not able to convert the file system due to some failure in processing.
was developed by HP.
Default list of file systems to check.