Making snapshots of screens

UNIX

Get into xv

Windows

For the PC, look on the web for Paint or Paint Shop Pro, www.yahoo.com got it fast...and there are a lot of free sources This is a nice tool for snapshots for PCs -
but actually there is a Paint program (Start -> Programs -> Accessories -> Paint) that works the same.

another tool is at www.gimp.org

OR
similarly in Windoze 95 you can use PrtScr to save an image of the currently active window to the clipboard and then paste it into a word processor or paint tool. A little fancy cropping (click on the image to get the picture toolbar) of the image and you will have an Object Model

Macs

To get the whole screen hit: Command (Apple key) + Shift + 3
To get a cursor to select a portion of the screen hit: Cmd + Shift + 4

On my machine, it saves to the top directory with a title of Picture