I finally found a basic fdisk-like utility for dealing with GUID Partition Tables (GPT). And not a moment too soon because I can’t stand GNU Parted which seems to be the only other tool available for handling them. I really wish I understood why because GPT is hardly brand-new. fdisk, cfdisk and sfdisk are WELL overdue for an upgrade.
It’s called (unsurprisingly) gdisk:
I haven’t bothered making a SlackBuild for it right now, because it’s too simple to bother. Download the source, extract it, type make and there’s your binary. Move it to /sbin if you want.