I believe that "ct" relies on some features of the USG Unix tty driver to do its stuff. Therefore porting it to 4.xbsd is more involved than simply hacking "cu". -- Mark Callow, Saratoga, CA. ...{decvax,ucbvax,ihnp4}!decwrl! ...{ittvax,amd70}!qubix!msc decwrl!qubix!msc at Berkeley.ARPA