scrot: scrot (commandline screen capture program)
scrot: 
scrot: scrot is a commandline screen capture util like "import", but using 
scrot: the imlib2 library. It has lots of options for autogenerating 
scrot: filenames, and can do fun stuff like taking screenshots of 
scrot: multiple displays and glueing them together.
scrot:
scrot: Homepage:  http://linuxbrit.co.uk/scrot/
scrot:
scrot: