[RAMDisk for macOS]

A minimal ZSH function to create and destroy APFS-formatted RAM disks on macOS.

Features

💾 Create APFS RAM disks up to 128 GiB

✅ Safe teardown - unmounts & detaches cleanly

👮🏼‍♂️ Input validation - enforces valid size and context

⚡ Fast - great for builds, testing, and temp data

Usage

Copy the ramdisk function from /src, paste into .zshrc or equivalent

ramdisk create <size_in_GiB>
ramdisk destroy

Example

ramdisk create 8
→ Creates /Volumes/RAMDisk backed by 8 GiB of RAM

ramdisk destroy
→ Unmounts and detaches the RAM disk cleanly, reclaiming all RAM used

Mount path is always: /Volumes/RAMDisk

Format is always: APFS

Created with: hdiutil and diskutil