Using Kermit on TWENEX.ORG

1. On SDF cluster host, run `kermit`
2. From kermit, `connect twenex.org`
3. Log-in to twenex
4. On twenex, run @KERMIT SERVER
5. After server start notice, excape to local kermit session with 'Ctrl-\ c'
6. At SDF cluster kermit prompt, send/receive files
7. When file transfer complete, connect to twenex again
8. Stop kermit server with Ctrl-c (maybe twice)
9. Log-out from twenex
10. End kermit on SDF cluster host with `exit`