view release on metacpan or  search on metacpan

lib/CPAN/Dependency.pm  view on Meta::CPAN

    BLOCK=128000
    diskutil erasevolume HFS+ "ramdisk" `hdiutil attach -nomount ram://$BLOCKS`

and here is a version for OS X.4 and previous:

    #!/bin/sh
    BLOCK=128000
    dev=`hdid -nomount ram://$BLOCKS`
    newfs_hfs -v RAMDisk $dev
    mkdir /Volumes/RAMDisk
    chmod 777 /Volumes/RAMDisk
    mount -t hfs $dev /Volumes/RAMDisk

Then follow the same instructions for moving the F<build/> directory 
as given for Linux. 

=head3 Ramdisk for Solaris

Beginning with Solaris 9 12/03, Solaris includes a C<ramdiskadm(1M)> 
command for managing ramdisks. Below are the links for the documentation 
of that command.