Tech Notes

Under almost all circumstances, you can just go to "About this Mac" or use the system profiler. However, very rarely I am accessing a machine remotely using SSH where I don't also have the ability to Remote Desktop or VNC to the machine. In these cases, you can get the exact version number of Mac OS X like this:

On my mac, it returns:

- make them all available to users who are using your server to Software Update

ADDRESS BOOKs DATA FILES

~/Library/Application Support/AddressBook/

ABPerson.skIndex
AddressBook.data
AddressBook.data.beforesave
AddressBook.data.previous
Images

~/Library/Preferences

com.apple.AddressBook.plist

Address Book will exhibit funny behavior if you start messing with its data files. Sometimes it will start up with an error message Data base is corrupted. (I have seen this happen when I move over the four files in Application Support/AddressBook) and sometimes it will launch and immediately quit (I have seen this happen if you delete the four files in AddressBook but leave the AddresssBook folder intact)  Read more...

- Rendezvous. threatening to networking community because it's putting techs out of work.
- think about how this is changing the face of technology professionals.

- File Permissions

- How to share files over two or more small computers.
OS 10.2 Jaguar introduces full implementaiton of multipline users. Unfortunately, there is something sharply counter-intiuative about how it is implemented.  Read more...