
Arcom Embedded Linux Technical Manual File system layout
RAM file system
AEL systems make use of a RAM-based file system (tmpfs) mounted on /var/tmp. The
contents of this file system are not preserved through reboot. The RAM file system
grows and shrinks to accommodate only the size of the files it contains. This means
there is very little overhead.
To prevent the RAM file system using the whole of RAM, the file system is constrained
to use a maximum of 4MB of memory. You can change this by editing /etc/fstab and
changing the size= parameter for /var/tmp.
© 2006 Arcom Issue G 12
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