It was comparable to Windows DVD Maker, and was often considered the last step of Apple's iLife suite, bringing together the results of all of the other iLife apps onto a removable medium.
It was also possible to set up a "persistent home directory", where any documents or settings written to the user's home directory would automatically be redirected to a hard drive or removable medium, which could be automatically Mount point on bootup.
This lack of permanence made it necessary to save documents explicitly to a hard drive partition, over the network, or to some removable medium, such as a USB flash drive.
Since the CD-MO was otherwise physically identical to "normal" CDs, it still adopted their spiral-groove recording scheme, which would have rendered it hard to use as a removable medium for repeated, small scale deletions and recordings (not unlike CD-RW).
A Live Distro or Live CD is a Linux distribution that can be booted from a compact disc or other removable medium (such as a DVD or USB flash drive) instead of the conventional hard drive.
An alias acts as a stand-in for any object in the file system, such as a document, an application, a folder, a hard disk, a network share or removable medium or a printer.
An SRM is a removable medium that implements means to protect against unauthorized access to its internal data, such as a secure memory card or smart card.
ReplayTV comes with an IEEE-1394 (Firewire) data port, which means that ReplayTV is planning to support future Firewire-based storage attachments that could record onto, or play back from, some type of removable medium like a recordable DVD disk.
A shadow is a stand-in for any other object on the desktop, such as a document, an application, a folder, a hard disk, a network share or removable medium, or a printer.
When starting a program, it is loaded from the removable medium and decompressed into a RAM drive.