Plan 9 - man page for ramfs (plan9 section 4)
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ramfs - memory file system
ramfs [ -i ] [ -s ] -m [ mountpoint ]
Ramfs starts a process that mounts itself (see bind(2)) on mountpoint (default /tmp). The
ramfs process implements a file tree rooted at dir, keeping all files in memory. Ini-
tially the file tree is empty.
The -i flag tells ramfs to use file descriptors 0 and 1 for its communication channel
rather than create a pipe. This makes it possible to use ramfs as a file server on a
remote machine: the file descriptors 0 and 1 will be the network channel from ramfs to the
client machine. The -s flag causes ramfs to post its channel on /srv/ramfs rather than
mounting it on mountpoint, enabling multiple clients to access its files. However, it
does not authenticate its clients and its implementation of groups is simplistic, so it
should not be used for precious data.
This program is useful mainly as an example of how to write a user-level file server. It
can also be used to provide high-performance temporary files.
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