Qcow

Qcow

qcow is a type of disk image that can be used with the QEMU emulator, the other types being vvfat, vpc, bochs, dmg, cloop, vmdk, cow, and raw, depending on the OS. The qcow image grows as data is added, and supports AES encryption and transparent decompression.

The supported image formats are abbreviations for:
* vvfat - Virtual VFAT
* vpc - Virtual PC
* bochs - Bochs filesystem
* dmg - macintosh Disk iMaGe
* cloop - linux Compressed LOOP
* vmdk - vmware Virtual Machine DisK format
* qcow - QEMU Copy-On-Write
* qcow2 - QEMU Copy-On-Write (new in version 0.9)
* raw - RAW filesystem (no special format)
* cow - user mode linux Copy-On-Write

According to the [http://kidsquid.com/cgi-bin/moin.cgi/FrequentlyAskedQuestions#head-3316664fa616f6049e846f70bc118ca0e78eed85 QEMU FAQ] , which points to [http://wiki.xensource.com/xenwiki/DmUserspace DmUserspace] , qcow can be mounted in Linux.

External links

* [http://www.gnome.org/~markmc/qcow-image-format.html Explanation of the format]


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