1uucico(8)                   System Manager's Manual                  uucico(8)


6       uucico - UUCP file transfer daemon


9       uucico [ options ]


12       The  uucico  daemon processes file transfer requests queued by uucp (1)
13       and uux (1).  It is started when uucp or uux is run  (unless  they  are
14       given  the -r option).  It is also typically started periodically using
15       entries in the crontab table(s).
17       When invoked with -r1, --master, -s, --system, or -S, the  daemon  will
18       place a call to a remote system, running in master mode.  Otherwise the
19       daemon will start in slave mode, accepting a call from a remote system.
20       Typically  a special login name will be set up for UUCP which automati‐
21       cally invokes uucico when a call is made.
23       When uucico terminates, it invokes the uuxqt (8) daemon, unless the  -q
24       or  --nouuxqt  option is given; uuxqt (8) executes any work orders cre‐
25       ated by uux (1) on a remote system, and any work orders created locally
26       which have received remote files for which they were waiting.
28       If  a call fails, uucico will normally refuse to retry the call until a
29       certain (configurable) amount of time has passed.  This may be  overri‐
30       den by the -f, --force, or -S option.
32       The  -l, --prompt, -e, or --loop options may be used to force uucico to
33       produce its own prompts of "login: "  and  "Password:".   When  another
34       daemon  calls  in,  it will see these prompts and log in as usual.  The
35       login name and password will normally be  checked  against  a  separate
36       list  kept specially for uucico rather than the /etc/passwd file; it is
37       possible on some systems to direct uucico to use the /etc/passwd  file.
38       The  -l or --prompt option will prompt once and then exit; in this mode
39       the UUCP administrator or the superuser  may  use  the  -u  or  --login
40       option  to force a login name, in which case uucico will not prompt for
41       one.  The -e or --loop option will prompt again after the first session
42       is over; in this mode uucico will permanently control a port.
44       If  uucico  receives  a  SIGQUIT,  SIGTERM  or  SIGPIPE signal, it will
45       cleanly abort any current conversation with a remote system  and  exit.
46       If  it receives a SIGHUP signal it will abort any current conversation,
47       but will continue to place calls to (if invoked with -r1  or  --master)
48       and accept calls from (if invoked with -e or --loop) other systems.  If
49       it receives a SIGINT signal it will finish  the  current  conversation,
50       but will not place or accept any more calls.


53       The following options may be given to uucico.
55       -r1, --master
56            Start in master mode (call out to a system); implied by -s, --sys‐
57            tem, or -S.  If no system is specified, call any system for  which
58            work is waiting to be done.
60       -r0, --slave
61            Start in slave mode.  This is the default.
63       -s system, --system system
64            Call the named system.
66       -S system
67            Call the named system, ignoring any required wait.  This is equiv‐
68            alent to -s system -f.
70       -f, --force
71            Ignore any required wait for any systems to be called.
73       -l, --prompt
74            Prompt for login name and password  using  "login:  "  and  "Pass‐
75            word:".   This allows uucico to be easily run from inetd (8).  The
76            login name and password are  checked  against  the  UUCP  password
77            file,  which  probably  has no connection to the file /etc/passwd.
78            The --login option may be used to force a  login  name,  in  which
79            cause uucico will only prompt for a password.
81       -p port, --port port
82            Specify a port to call out on or to listen to.
84       -e, --loop
85            Enter endless loop of login/password prompts and slave mode daemon
86            execution.  The program will not stop by itself; you must use kill
87            (1) to shut it down.
89       -w, --wait
90            After calling out (to a particular system when -s, --system, or -S
91            is specifed, or to all systems which have work when  just  -r1  or
92            --master is specifed), begin an endless loop as with --loop.
94       -q, --nouuxqt
95            Do not start the uuxqt (8) daemon when finished.
97       -c, --quiet
98            If  no calls are permitted at this time, then don't make the call,
99            but also do not put an error message in the log file  and  do  not
100            update the system status (as reported by uustat (1)).  This can be
101            convenient for automated polling scripts, which may want to simply
102            attempt to call every system rather than worry about which partic‐
103            ular systems may be called at the moment.  This option  also  sup‐
104            presses  the  log  message  indicating that there is no work to be
105            done.
107       -C, --ifwork
108            Only call the system named by -s, --system or -S if there is  work
109            for that system.
111       -D, --nodetach
112            Do  not  detach  from  the  controlling terminal.  Normally uucico
113            detaches from the terminal before each call out to another  system
114            and before invoking uuxqt.  This option prevents this.
116       -u name, --login name
117            Set  the  login  name to use instead of that of the invoking user.
118            This option may only be used by  the  UUCP  administrator  or  the
119            superuser.   If  used  with  --prompt,  this  will cause uucico to
120            prompt only for the password, not the login name.
122       -z, --try-next
123            If a call fails after the remote system is reached, try  the  next
124            alternate rather than simply exiting.
126       -i type, --stdin type
127            Set  the  type of port to use when using standard input.  The only
128            support port type is TLI, and this is only available  on  machines
129            which  support  the  TLI  networking  interface.  Specifying -iTLI
130            causes uucico to use TLI calls to perform I/O.
132       -x type, -X type, --debug type
133            Turn on particular debugging types.  The following types are  rec‐
134            ognized:  abnormal, chat, handshake, uucp-proto, proto, port, con‐
135            fig, spooldir, execute, incoming, outgoing.
137            Multiple types may be given, separated by commas, and the  --debug
138            option  may  appear  multiple  times.  A number may also be given,
139            which will turn on that many types from the  foregoing  list;  for
140            example, --debug 2 is equivalent to --debug abnormal,chat.
142            The  debugging  output is sent to the debugging file, which may be
143            printed using uulog -D.
145       -I file, --config file
146            Set configuration file to use.  This option may not be  available,
147            depending upon how uucico was compiled.
149       -v, --version
150            Report version information and exit.
152       --help
153            Print a help message and exit.


156       kill(1), uucp(1), uux(1), uustat(1), uuxqt(8)


159       Ian Lance Taylor <ian@airs.com>
163                               Taylor UUCP 1.07                      uucico(8)