Creating RAM disk in macOS

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# Built-in 

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where `XXXXX` is the size of the RAM disk in terms of memory blocks.

> **Notes**:
> $2048$ memory blocks correspond to 1MB. Thus, `XXXXX` = `YYYY` * 2048 where `YYYY` is the size in MB.


- `ram://2048` will create 1MB RAM disk
- `ram://2097152` --> 1 GB
- `ram://4194304` --> 2 GB
- `ram://8388608` --> 4 GB

# Third-party Tools

- [**TmpDisk:**](  Open Source RAM disk management app.
- [**Ultra RAM Disk**]( installs as a menu bar item that allows you to create RAM disks when needed.
- [**RAMDisk:**]( is  an app for creating as well as backing up RAM disks, to allow you to  save their contents as well as restore RAM disks when you restart your  Mac.
- [RAMDiskCreator](

# Resources


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