Background: I own a Hewlett-Packard HP-48SX pocket calculator which is able to communicate with a remote host computer by the Kermit protocoll. I used this communication path without problems on various Apple Macintosh computers running Mac OS 7, 8 and 9 for many years. Recently I moved to a PowerMac G4 running Jaguar (Mac OS X 10.2.5). This machine has no serial port and no GUI Kermit application is available for Mac OS X.
[centerpiece:~] wolfgang% ls -aol /dev/ | grep gPort crw-rw-rw- 1 root wheel - 8, 1 Apr 20 10:14 cu.gPort crw-rw-rw- 1 root wheel - 8, 0 Apr 20 12:34 tty.gPort [centerpiece:~] wolfgang%
[centerpiece:~] wolfgang% sudo niload passwd . << EOF ? uucplock:*:555:-1::0:0:UUCP Lock Directory Owner:/dev/null:/dev/null ? EOF [centerpiece:~] wolfgang% nireport . /users uid gid name realname home shell | grep uucplock 555 -1 uucplock UUCP Lock Directory Owner /dev/null /dev/null [centerpiece:~] wolfgang%
[centerpiece:~] wolfgang% sudo mv cku209.macosx102nc-10.2 /usr/bin/kermit [centerpiece:~] wolfgang% sudo chown uucplock /usr/bin/kermit [centerpiece:~] wolfgang% sudo chgrp nobody /usr/bin/kermit [centerpiece:~] wolfgang% sudo chmod u=rxs,go=rx /usr/bin/kermit [centerpiece:~] wolfgang% rehash [centerpiece:~] wolfgang% ls -aol /usr/bin/kermit -r-sr-xr-x 1 uucplock nobody - 2210788 Mar 23 23:36 kermit(“rehash” recomputes the tcsh hash table of the contents of the directories in the path variable.)
[centerpiece:~] wolfgang% kermit C-Kermit 8.0.209, 17 Mar 2003, for Mac OS X 1.0 Copyright (C) 1985, 2003, Trustees of Columbia University in the City of New York. Type ? or HELP for help. (/Users/wolfgang/) C-Kermit>show communications Communications Parameters: Line: /dev/tty, speed: unknown, mode: remote, modem: generic Parity: none, duplex: full, flow: none, handshake: none Carrier-watch: auto, close-on-disconnect: off Lockfile directory: /var/spool/uucp Typical port device name: /dev/tty00 Modem signals unavailable Type SHOW DIAL to see DIAL-related items. Type SHOW MODEM to see modem-related items. (/Users/wolfgang/) C-Kermit>quit [centerpiece:~] wolfgang%
[centerpiece:~] wolfgang% sudo mkdir /var/spool/uucp [centerpiece:~] wolfgang% sudo chown uucplock /var/spool/uucp [centerpiece:~] wolfgang% sudo chgrp nobody /var/spool/uucp [centerpiece:~] wolfgang% sudo chmod u=rwx,go=x /var/spool/uucp [centerpiece:~] wolfgang% ls -aol /var/spool/ | grep uucp drwx--x--x 2 uucplock nobody - 68 Apr 20 12:21 uucp [centerpiece:~] wolfgang%
[centerpiece:~] wolfgang% sudo mv ckuker.nr /usr/share/man/man1/kermit.1 [centerpiece:~] wolfgang% sudo chown root /usr/share/man/man1/kermit.1 [centerpiece:~] wolfgang% sudo chgrp wheel /usr/share/man/man1/kermit.1 [centerpiece:~] wolfgang% sudo chmod a=r /usr/share/man/man1/kermit.1 [centerpiece:~] wolfgang% sudo /usr/libexec/makewhatis /usr/share/man/ [centerpiece:~] wolfgang% ls -aol /usr/share/man/man1/kermit.1 -r--r--r-- 1 root wheel - 62344 Apr 20 23:00 kermit.1 [centerpiece:~] wolfgang%(“makewhatis” updates the whatis database of man pages.)
IR/wire: wire ASCII/binary: ASCII baud: 9600 parity: none 0 checksum type: 3 translate code:1
[centerpiece:~] wolfgang% kermit
C-Kermit 8.0.209, 17 Mar 2003, for Mac OS X 1.0 Copyright (C) 1985, 2003, Trustees of Columbia University in the City of New York. Type ? or HELP for help. (/Users/wolfgang/) C-Kermit>
(/Users/wolfgang/) C-Kermit>set line /dev/tty.gPort (/Users/wolfgang/) C-Kermit>
(/Users/wolfgang/) C-Kermit>show communications Communications Parameters: Line: /dev/tty.gPort, speed: 9600, mode: local, modem: generic Parity: none, stop-bits: (default) (8N1) Duplex: full, flow: rts/cts, handshake: none Carrier-watch: auto, close-on-disconnect: off Lockfile: /var/spool/uucp/LCK..tty.gPort Terminal bytesize: 8, escape character: 28 (^\) Carrier Detect (CD): On Dataset Ready (DSR): Off Clear To Send (CTS): Off Ring Indicator (RI): Off Data Terminal Ready (DTR): On Request To Send (RTS): On Type SHOW DIAL to see DIAL-related items. Type SHOW MODEM to see modem-related items. (/Users/wolfgang/) C-Kermit>If necessary match C-Kermits settings with the HP-48SXs ones:
Awaiting Server Cmd.
(/Users/wolfgang/) C-Kermit>get FPFahrListe hp48dir E to send Error packet, ^C to quit immediately, ^L to refresh screen. C-Kermit 8.0.209, 17 Mar 2003, centerpiece.local. [192.168.144.3] Current Directory: /Users/wolfgang/hp48dir Communication Device: /dev/tty.gPort Communication Speed: 9600 Parity: none RTT/Timeout: 01 / 03 RECEIVING: FPFahrListe => FPFahrListe File Type: BINARY File Size: Bytes So Far: 2445 ...10...20...30...40...50...60...70...80...90..100 Elapsed Time: 00:00:37 Transfer Rate, CPS: 65 Window Slots: 1 of 1 Packet Type: B Packet Count: 35 Packet Length: 8 Error Count: 0 Last Error: Last Message: SUCCESS. Files: 1, Bytes: 2445, 65 CPS (/Users/wolfgang/) C-Kermit>send demo/LISTDEMO E to send Error packet, ^C to quit immediately, ^L to refresh screen. C-Kermit 8.0.209, 17 Mar 2003, centerpiece.local. [192.168.144.3] Current Directory: /Users/wolfgang Communication Device: /dev/tty.gPort Communication Speed: 9600 Parity: none RTT/Timeout: 08 / 10 SENDING: demo/listdemo => LISTDEMO => LISTDEMO File Type: TEXT (utf8 => utf8) File Size: 33 Percent Done: 100 ////////////////////////////////////////////////// ...10...20...30...40...50...60...70...80...90..100 Elapsed Time: 00:00:01 Transfer Rate, CPS: 50 Window Slots: 1 of 1 Packet Type: B Packet Count: 3 Packet Length: 8 Error Count: 0 Last Error: Last Message: SUCCESS. Files: 1, Bytes: 33, 50 CPS (/Users/wolfgang/) C-Kermit>
(/Users/wolfgang/) C-Kermit>bye (/Users/wolfgang/) C-Kermit>close connection (/Users/wolfgang/) C-Kermit>quit [centerpiece:~] wolfgang%