One suggestion of the top of my head is Subversion. I believe it supports
file locking for simultaneous development.
What little I read about it a while back it would allow you to control the
locking.
It's main purpose is version control which is needed as well if you have
multiple developers.

HTH,

Robert

----- Original Message -----
From: "Pradipta Chakraborty"
To:
Sent: Tuesday, January 29, 2008 4:53 AM
Subject: [Samba] Problem accessing Samba shares simultaneously by
multipleusers


> Hello All!
> I am using Samba Version 2.2.7a on a RedHat linux 9 box.Some .php files
> are
> stored on the Samba server and Users are accessing these files from
> windows
> system.They are using EditPlus to work on these .php files.Problem is that
> when more than one users are accessing the same file,they are unable to
> perform write operation on the file.E.g suppose user A has opened a file
> with RW priviledge,user A is working on that file.If at the same time User
> B
> is opening the same file , the file appears to him as RO,he is unable to
> write/save the file.
> But our requirement is that multiple users will be accessing the same file
> at the same time & will perform read/write/save simultaneously.It should
> not
> happened that if one user is perform write/save action on a file,other
> users
> will be denied to perform write/save operation on the same file.How to do
> that?
> Please help me in this regard.IT is required immediately and it is very
> urgent for ur project.Please help me.
> --
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