ubiquitous1980 wrote:
Alan McKinnon wrote:
On Monday 08 March 2010 08:31:40 ubiquitous1980 wrote:

I have a usb flash drive which will not allow me to edit its files.  I
have tried chmod a+rwx -R $files but this does still not permit
editing.  Further, the files within the directories refuse to have
ownership changed via chown $myusername -R /mnt/disk.  Output is:
operation not permitted.  Any ideas?  Thanks.

This happens when the flash drive is type vfat. This excuse for a file system
does not have a concept of owners and permissions so the kernel has to fudge
it. You are finding that you cannot change these for the simple reason that
they do not exist and the kernel is pretending they are owned by root with
MODE 755 or some such.

If hal is mounting the device, check your hal config, looking for some likely
named option.

What config file would this be?  Can I find it in the handbook?
If the device is mounted via /etc/fstab, adjust the uid/gid/umask/dmask/fmask
options to mount in column 4. Full details in the man page, under section
"fat"



I need to interact with university computers from time to time, any
other file system with proper permissions, to be used under both linux
and windows (without additional drivers)?



I don't use these so I am by no means saying they work well.

sys-fs/ntfs3g

sys-fs/ntfsprogs

I have read that the first one works pretty well but no first hand knowledge if it is true or not. You may want to read this as well.

http://www.linux-ntfs.org/doku.php

You may just want to test this with something not so important for a bit and see how well this works for you.

Dale

:-)  :-)

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