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Zaurus File System Problems

zaurus:problems:file system

  • /mnt is misused - Every system administrator knows that /mnt is used as a temporary mount point for testing, or to mount a disk resource for a very short time on a temporary basis. By using /mnt as a parent directory for the SD and CF drives Sharp has circumvented this long established practice on Unix systems.

  • SD and CF cards use long & obtuse mount points - The stated (improper) mount point is /mnt/card and /mnt/cf respectivly, but they both are just symbolic links to /usr/mnt.rom. Much better & shorter mount points would be /sd & /cf respectivly.

  • /mnt/net is not the the proper spot for mounting network drives. See the section about /mnt above. A much better spot would be /net, making that writable to allow creation of mount points for multiple network resources. For example /net/host1, /net/host2.

  • /home improperly used - /home is traditionaly the place where user's home directories are located. It seems that Sharp has perverted this long standing accepted standard practice. What is even worse is that in /home/root Sharp has placed most of the directories of the system that are writable. This gives the user a very real chance to cripple the system since that is root's home directory and the GUI runs as root. A much better approach is the one that was taken with the Agenda VR3 Linux PDA. On the Agenda VR3 the volatile directories are in /flash. I propose that a better layour would look like: 

    /
/etc       -> /flash/etc
/usr
/usr/local -> /flash/local
/var       -> /flash/var
/tmp       -> /var/tmp
/home      -> /flash/home
/mnt       -> /flash/mnt
/opt       -> /flash/mnt
/dev  is fine as now installed

    This would give a system layout that is more like a properly installed desktop or server Unix/Linux system. I also think that QtPalmtop does not belong in /home, /usr is the proper place for QtPalmtop as it is not a user's home directory. The only thing that should be in /home are user home directories!

    Last update 2002/05/03.
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