UML_MKCOW(1) General Commands Manual UML_MKCOW(1) NAME uml_mkcow — create a new COW file SYNOPSIS uml_mkcow [-f] [COW_file] [backing_file] DESCRIPTION This manual page documents briefly the uml_mkcow command. This manual page was written for the Debian GNU/Linux distribution be- cause the original program does not have a manual page. Instead, it has documentation in HTML format; see below. uml_mkcow is a small utility to create COW (Copy-On-Write) files with- out the need to run the full UML kernel. NOTE: you can save a lot of disk space using COW files. When checking the size of the COW file in order to see the gobs of space that you're saving, make sure you use 'ls -ls' to see the actual disk consumption rather than the length of the file. The COW file is sparse, so the length will be very different from the disk usage. OPTIONS -f Force overwrite of an exsiting COW file. EXAMPLES Create a new COW file: uml_mkcow rootfs_COW rootfs Overwrite (destroying) an existing COW file: uml_mkcow -f rootfs_COW rootfs SEE ALSO The UserModeLinux-HOWTO (link to URL http://user-mode-linux.source- forge.net/UserModeLinux-HOWTO.html) AUTHOR uml_mkcow was written by Steve Schnepp. This manual page was written by Mattia Dongili malattia@debian.org for the Debian GNU/Linux system, based on material in the UserModeLinux- HOWTO by Rusty Russell. UML_MKCOW(1)
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