On Mon, 29 Nov 2010, Les Mikesell wrote: > On 11/29/2010 7:35 AM, Adam Tauno Williams wrote: >> >> Even if it is *possible*, the traditional UNIX permissions are a serious >> *PAIN*. If you want two users to have rw- to a file you... create a >> group of two users??? > > Yes, there is nothing simpler than a group to represent a group of users. > >> You end up with a zillion groups - which is >> pointless and unmaintainable. Thank goodness for ACL support and >> setfacl/getfacl. > > So what do you do when you have user-specific ACLs splattered randomly > through the filesystem and the members of the cooperating groups change? If userA wants to share a file with userB, they use an ACL, or they need root assistance. That's the ad-hoc case, and it works much better using ACLs than using groups. For the planned case you describe, you create a group in your central directory. It's much the same under windows. jh