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1.1 root 1:
2:
3: ckermit Command ckermit
4:
5:
6:
7:
8: Interactive inter-system communication and file transfer
9:
10: cckkeerrmmiitt [-aabbccddeeffgghhiikkllppqqrrssttwwxx] [ _f_i_l_e ... ]
11:
12: cckkeerrmmiitt implements the kkeerrmmiitt communications protocol. It lets
13: you communicate with other systems via modem or network, and to
14: exchange files with other systems that have also implemented the
15: kkeerrmmiitt protocol. Unlike the kkeerrmmiitt command also included with
16: the COHERENT system, cckkeerrmmiitt uses an interactive shell to remove
17: some of the pain from the process of exchanging files. The name
18: cckkeerrmmiitt relects the fact that this command is written in the C
19: language, and so has been ported to many different machines and
20: operating systems.
21:
22: You can run cckkeerrmmiitt in either _i_n_t_e_r_a_c_t_i_v_e _m_o_d_e or _c_o_m_m_a_n_d _m_o_d_e.
23: Simply typing the command
24:
25:
26: ckermit
27:
28:
29: invokes cckkeerrmmiitt in interactive mode: cckkeerrmmiitt displays a prompt,
30: waits for your command, executes, then prompts you for its next
31: command. Typing the command line plus one or more arguments
32: invokes cckkeerrmmiitt in command mode: cckkeerrmmiitt then reads the arguments
33: from the command line and executes them. After execution of the
34: commands, cckkeerrmmiitt returns to interactive mode.
35:
36: cckkeerrmmiitt's command-line options name either actions or settings.
37: An action option tells cckkeerrmmiitt to send a file, receive a file, or
38: connect to a remote system. The command line may contain no more
39: than one action option. A settings option changes one or more of
40: the internal values that control how cckkeerrmmiitt operates; for
41: example, one setting option lets you set the baud rate of the
42: serial port that cckkeerrmmiitt will be using. A command line can
43: contain any number of settings options.
44:
45: ***** Command-Line Options *****
46:
47: cckkeerrmmiitt recognizes the following command-line options:
48:
49: -aa _f_i_l_e_n_a_m_e
50: Give an alternate name to a file being transferred. For
51: example, the command
52:
53:
54: ckermit -s foo -a bar
55:
56:
57: transmits the file ffoooo to a remote system, but tells the remote
58: system that the file is named bbaarr. Likewise, the command
59:
60:
61:
62:
63:
64: COHERENT Lexicon Page 1
65:
66:
67:
68:
69: ckermit Command ckermit
70:
71:
72:
73: ckermit -ra baz
74:
75:
76: stores the first incoming file under the name bbaazz.
77:
78: If more than one file arrives or is sent, only the first file is
79: affected by the -aa option.
80:
81: -bb _b_a_u_d_r_a_t_e
82: Set the baud rate of the device to _b_a_u_d_r_a_t_e.
83:
84: -cc Connect to serial port, and pass all subsequent typing to
85: that port To resume talking to your local system, type the
86: escape character followed by the letter `c'. The escape
87: character is set by default to <ccttrrll-\>, although you can
88: change it if you wish.
89:
90: -dd Debug mode -- record debugging information in the file
91: ddeebbuugg.lloogg in the current directory.
92:
93: -ee _n Set the length of the packet to _n where _n is a number
94: between ten and about 1,000. Lengths of 95 or greater
95: require that the implementation of kkeerrmmiitt on the remote
96: system support the long-packet extension to the kkeerrmmiitt
97: protocol.
98:
99: -ff Send a ``finish'' command to a remote server.
100:
101: -gg _f_i_l_e
102: Ask a remote system to send _f_i_l_e or _f_i_l_e_s. The file name
103: must use the remote system's own syntax; you must quote all
104: characters normally expanded by the COHERENT shell, e.g.:
105:
106:
107: ckermit -g x\*.\?
108:
109:
110: -hh Help -- display a brief synopsis of the command-line
111: options.
112:
113: -ii The ``image'' option: specify that the file being
114: transmitted or received is an eight-bit binary file, and
115: therefore no conversion should be performed upon the data
116: being received.
117:
118: -kk Passively receive file or files, copying them to standard
119: output.
120:
121: -ll _d_e_v_i_c_e
122: Name the serial device to be used. For example
123:
124:
125:
126:
127:
128:
129:
130: COHERENT Lexicon Page 2
131:
132:
133:
134:
135: ckermit Command ckermit
136:
137:
138:
139: ckermit -l /dev/com2
140:
141:
142: tells cckkeerrmmiitt to use device /ddeevv/ccoomm22.
143:
144: -nn Like -cc, but used after a protocol transaction has occurred.
145: You can use both -cc and -nn in the same command.
146:
147: -pp _x Set parity, where _x is one of ee, oo, mm, ss, or nn
148: (respectively, even, odd, mark, space, or none). If parity
149: is other than none, then cckkeerrmmiitt uses the eighth-bit
150: prefixing mechanism to transfer binary data, provided the
151: impementation of kkeerrmmiitt on the remote system agrees. The
152: default parity is none.
153:
154: -qq Quiet -- suppress screen update during file transfer; for
155: example, this lets you transfer a file in the background.
156:
157: -rr Receive a file or files. Wait passively for files to
158: arrive.
159:
160: -ss _f_i_l_e
161: Send the specified _f_i_l_e or _f_i_l_e_s. If _f_n is `-' then cckkeerrmmiitt
162: sends from standard input, which may come from a file:
163:
164:
165: ckermit -s - < foo.bar
166:
167:
168: or come from a parallel process:
169:
170:
171: ls -l | ckermit -s -
172:
173:
174: You cannot use this mechanism to send text typed from the
175: keyboard. To send a file named `-', precede it with a path name,
176: e.g.:
177:
178:
179: ckermit -s ./-
180:
181:
182: -tt Specify half duplex, line turnaround with XON as the
183: handshake character.
184:
185: -ww Write-Protect -- avoid file-name collisions for incoming
186: files.
187:
188: -xx Begin server operation. This option can be used in either
189: local or remote mode.
190:
191: If cckkeerrmmiitt is in local mode, shows the progress of the file
192: transfer. A dot is printed for every four data packets; other
193: packets are shown by type (e.g., `S' for Send-Init); `T' is
194:
195:
196: COHERENT Lexicon Page 3
197:
198:
199:
200:
201: ckermit Command ckermit
202:
203:
204:
205: printed when there's a timeout; and `%' is printed for each
206: retransmission.
207:
208: During file transfer, you can type the following ``interrupt''
209: commands:
210:
211: <ccttrrll-FF>
212: Interrupt the current file and go on to the next, if any.
213:
214: <ccttrrll-BB>
215: Interrupt the entire batch of files and terminate the
216: transaction.
217:
218: <ccttrrll-RR>
219: Resend the current packet.
220:
221: <ccttrrll-AA>
222: Display a status report for the current transaction.
223:
224: These interrupt characters differ from the ones used in other
225: implementations of cckkeerrmmiitt to avoid conflict with the COHERENT
226: shell's interrupt characters.
227:
228: ***** Interactive Operation *****
229:
230: When you invoke cckkeerrmmiitt in interactive mode, it displays the
231: following prompt.
232:
233:
234: C-Kermit>
235:
236:
237: Type any valid cckkeerrmmiitt command; the set of valid commands is
238: described below. cckkeerrmmiitt executes the command and then prompts
239: you for another. The process continues until you tell it to
240: quit.
241:
242: Commands begin with a keyword, normally an English verb, such as
243: sseenndd. You can abbreviate any keyword, as long as you type enough
244: characters to distinguish it from all other keywords. Certain
245: commonly used keywords (e.g., sseenndd, rreecceeiivvee, ccoonnnneecctt) hhaavvee
246: ssppeecciiaall nnoonn-uunniiqquuee aabbbbrreevviiaattiioonnss (rreessppeeccttiivveellyy, `ss', `rr', aanndd
247: `cc').
248:
249: CCeerrttaaiinn cchhaarraacctteerrss hhaavvee ssppeecciiaall ffuunnccttiioonnss iinn iinntteerraaccttiivvee
250: ccoommmmaannddss:
251:
252: ? Print a message that explains what is possible or expected
253: at the current point within a command. Depending upon the
254: context, the message may be a brief phrase, a menu of
255: keywords, or a list of files.
256:
257: <eesscc>
258: Request completion of the current keyword or file name, or
259: insertion of a default value. cckkeerrmmiitt will beep if the
260:
261:
262: COHERENT Lexicon Page 4
263:
264:
265:
266:
267: ckermit Command ckermit
268:
269:
270:
271: requested operation fails. <ttaabb> does the same thing.
272:
273: <ddeell>
274: Delete the previous character from the command. <bbaacckkssppaaccee>
275: does the same thing.
276:
277: <ccttrrll-WW>
278: Erase the rightmost word from the command line.
279:
280: <ccttrrll-UU>
281: Erase the entire command.
282:
283: <ccttrrll-RR>
284: Redisplay the current command.
285:
286: <ssppaaccee>
287: Delimit fields (keywords, filenames, numbers) within a
288: command.
289:
290: <rreettuurrnn>
291: Execute the command.
292:
293: \ Insert any of the above characters into the command,
294: literally. To enter a literal backslash, type two
295: backslashes in a row (\\). Typing one backslash immediately
296: <rreettuurrnn> lets you continue the command on the next line.
297:
298: cckkeerrmmiitt recognizes the following interactive commands:
299:
300: ! _c_o_m_m_a_n_d
301: Execute a shell command. A space must follow the !.
302:
303: % A comment. cckkeerrmmiitt ignores everything that follows the %.
304:
305: bbyyee Terminate and log out a remote kkeerrmmiitt server.
306:
307: cclloossee
308: Close a log file.
309:
310: ccoonnnneecctt
311: Connect to the remote system.
312:
313: ccwwdd _d_i_r_e_c_t_o_r_y
314: Change the working directory to _d_i_r_e_c_t_o_r_y.
315:
316: ddiiaall Dial a telephone number.
317:
318: ddiirreeccttoorryy
319: Display a directory listing.
320:
321: eecchhoo Display arguments literally. Useful in take-command files.
322:
323: eexxiitt Exit from the program, closing any open logs.
324:
325:
326:
327:
328: COHERENT Lexicon Page 5
329:
330:
331:
332:
333: ckermit Command ckermit
334:
335:
336:
337: ffiinniisshh
338: Instruct a remote kkeerrmmiitt server to exit, but not log out.
339:
340: ggeett Get files from a remote kkeerrmmiitt server.
341:
342: hhaanngguupp
343: Hang up the telephone.
344:
345: hheellpp Display a help message for a given command.
346:
347: lloogg Open a log file -- debugging, packet, session, transaction.
348:
349: qquuiitt Same as eexxiitt.
350:
351: rreecceeiivvee
352: Passively wait for files to arrive.
353:
354: rreemmoottee
355: Issue file-management commands to a remote kkeerrmmiitt server.
356:
357: ssccrriipptt
358: Execute a login script with a remote system.
359:
360: sseenndd _f_i_l_e
361: Send _f_i_l_e to the remote kkeerrmmiitt server.
362:
363: sseerrvveerr
364: Begin server operation.
365:
366: sseett Set various internal parameters.
367:
368: sshhooww Display values of parameters, program version, etc.
369:
370: ssppaaccee
371: Display current disk space usage.
372:
373: ssttaattiissttiiccss
374: Display statistics about most recent transaction.
375:
376: ttaakkee Execute commands from a file.
377:
378: Interactive cckkeerrmmiitt accepts commands from files as well as from
379: the keyboard. Upon startup, cckkeerrmmiitt looks for the file .kkeerrmmrrcc
380: first in directory $HHOOMMEE and then in the current directory; if it
381: finds the file, it executes all commands it finds therein. These
382: commands must be in interactive format. Command files may be
383: nested to any reasonable depth.
384:
385: ***** The set Command *****
386:
387: As noted above, the sseett command lets you set the internal
388: parameters by which cckkeerrmmiitt operates. The sseett command recognizes
389: the following arguments:
390:
391:
392:
393:
394: COHERENT Lexicon Page 6
395:
396:
397:
398:
399: ckermit Command ckermit
400:
401:
402:
403: bblloocckk-cchheecckk
404: Level of packet error detection.
405:
406: ddeellaayy
407: Time to wait before sending first packet.
408:
409: dduupplleexx
410: Specify which side echoes during connect mode.
411:
412: eessccaappee-cchhaarraacctteerr
413: Character to prefix _e_s_c_a_p_e _c_o_m_m_a_n_d_s during connect mode.
414:
415: ffiillee Set various file parameters.
416:
417: ffllooww-ccoonnttrrooll
418: Communication line full-duplex flow control.
419:
420: hhaannddsshhaakkee
421: Communication line half-duplex turnaround character.
422:
423: lliinnee Communication-line device name.
424:
425: mmooddeemm-ddiiaalleerr
426: Type of modem-dialer on communication line.
427:
428: ppaarriittyy
429: Communication line character parity.
430:
431: pprroommpptt
432: Change the cckkeerrmmiitt program's prompt.
433:
434: rreecceeiivvee
435: Set various parameters for inbound packets.
436:
437: rreettrryy
438: Set the packet retransmission limit.
439:
440: sseenndd Set various parameters for outbound packets.
441:
442: ssppeeeedd
443: Communication line speed.
444:
445: ***** Remote Commands *****
446:
447: cckkeerrmmiitt also has a suite of commands that are sent to the remote
448: system for execution. They are as follows:
449:
450: ccwwdd Change remote working directory (also, rreemmoottee ccdd).
451:
452: ddeelleettee
453: Delete remote files.
454:
455: ddiirreeccttoorryy
456: Display a listing of remote file names.
457:
458:
459:
460: COHERENT Lexicon Page 7
461:
462:
463:
464:
465: ckermit Command ckermit
466:
467:
468:
469: hheellpp Request help from a remote server.
470:
471: hhoosstt Issue a command to the remote host in its own command
472: language.
473:
474: ssppaaccee
475: Display current disk space usage on remote system.
476:
477: ttyyppee Display a remote file on your screen.
478:
479: wwhhoo Display the users logged in to the remote system, or get
480: information about a user.
481:
482: ***** Files *****
483:
484: .kkeerrmmrrcc -- cckkeerrmmiitt initialization commands
485:
486: ***** See Also *****
487:
488: ccoommmmaannddss, kkeerrmmiitt, uuuuccpp
489:
490: ***** Notes *****
491:
492: The kkeerrmmiitt protocol was developed at the Columbia University
493: Center for Computing Activities.
494:
495:
496:
497:
498:
499:
500:
501:
502:
503:
504:
505:
506:
507:
508:
509:
510:
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512:
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515:
516:
517:
518:
519:
520:
521:
522:
523:
524:
525:
526: COHERENT Lexicon Page 8
527:
528:
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