[I don't seem to have the start of this thread..]
On Thu, May 04, 2000 at 07:14:12PM -0500, Matthew Vanecek wrote:
> Well, the executable is loaded into memory once started. For the most
> part, you can overwrite the executable (or other file) on the disk, as
> long as you have permissions to do so. [..]
Err, no, the executable is paged in and out as required. Updating a running
executable simply means you must make sure to create a *different* inode
for the new version, instead of scribbling over the existing one, i.e.:
cp /mnt/foo/bar /bin/bar.new
rm /bin/bar
mv /bin/bar.new /bin/bar
When the last user of the old version goes away, the inode for it is deleted.
New users see the new version.
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