uucp(1) uucp(1)
NAME [Toc] [Back]
uucp, uulog, uuname, uutry - UNIX system to UNIX system copy
SYNOPSIS [Toc] [Back]
uucp [options] source_files destination_file
uulog -f system [-x] [-number]
uulog [-s system] ... [-x] [-number]
uuname [-l]
uutry -r1 -s system [-x debug_level]
DESCRIPTION [Toc] [Back]
uucp copies files named by the source_files argument to the
destination identified by the destination_file argument. When copying
files to or from a remote system, source_files and destination_file
can be a path name on the local system, or have the form:
system_name!path_name
where system_name is the name of a remote system in a list of system
names known to uucp. When copying files to (but not from) a remote
system, system_name can also be a chained list of remote system names
such as:
system_name!system_name!...!system_name!path_name
in which case an attempt is made to send the file, via the specified
route, to the destination. Care should be taken to ensure that
intermediate nodes in the route are configured to forward information
(see WARNINGS for restrictions).
The shell metacharacters ?, * and [...] appearing in path_name are
expanded on the appropriate system.
path_name can be one of:
+ A full path name.
+ A path name preceded by ~user where user is a login name on
the specified system and ~user is replaced by that user's
login directory. (If an invalid login is specified, the
default public directory (/var/spool/uucppublic) is used
instead.
+ A path name preceded by ~/destination where destination is
appended to /var/spool/uucppublic.
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NOTE: This destination is treated as a file name unless more
than one file is being transferred by this request or the
destination is already a directory. To ensure that
destination is a directory, append a / to the destination
argument. For example, ~/dan/ as the destination argument
causes directory /var/spool/uucppublic/dan to be created if it
does not already exist, and places the requested file or files
in that directory.
+ Anything else is prefixed by the current directory.
If an erroneous path name is specified for the remote system, the copy
fails. If destination_file is a directory, the file-name part of the
source_file argument is used.
uucp preserves execute permissions across the transmission and sets
read and write permissions to 0666 (see chmod(2) and Access Control
Lists below).
Options [Toc] [Back]
uucp recognizes the following options:
-c Do not copy local file to the spool directory for
transfer to the remote machine (default).
-C Force the copy of local files to the spool
directory for transfer.
-d Make all necessary directories for the file copy
(default).
-f Do not make intermediate directories for the file
copy.
-ggrade grade is a single letter or number. A lower ASCII
sequence value for grade causes the job to be
transmitted earlier in a given conversation
between systems.
-j Output the ASCII job identification string on
standard output. This job identification can be
used by uustat to obtain the status or terminate a
job (see uustat(1)).
-mfile Send mail to the requester when the copy is
completed.
-nuser Notify user on the remote system that a file was
sent.
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-r Do not start the file transfer; just queue the
job.
-sfile Report status of the transfer to file. Note that
file must be a full path name.
-xdebug_level Produce debugging on standard output. debug_level
is a number between 0 and 9; higher numbers give
more information.
uulog
uulog queries a log file of uucp transactions in a file
/var/uucp/.Log/uucico/system.
The following options cause uulog to print logging information:
-s system Print information about work involving system.
-f system Do a tail -f (see tail(1)) of the file transfer
log for system.
Other options used in conjunction with the -s and -f options above
are:
-x Search for the given system in the
/var/uucp/.Log/uuxqt/system file instead of in the
uucico log file.
-number Do a tail(1) command of number lines.
uuname
uuname lists the uucp names of known systems. uuname -l returns the
local system's default name.
uutry
uutry tests for the successful login to the remote system. This is
executed for checking communication channel.
-r1 Starts uutry in the MASTER mode. The default is
SLAVE mode.
-s system Do work only for the system specified by system.
If there is no work for system on the local spool
directory, initiate a connection to system to
determine if system has work for the local system.
This option must be used if -r1 is specified.
-x debug_level Produce debugging on standard output. debug_level
is a number between 0 and 9; higher numbers give
more information.
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When started by a local program, uutry is considered the MASTER and
attempts a connection to a remote system. If uutry is started by a
remote system, it is considered to be in SLAVE mode.
Access Control Lists (ACLs) [Toc] [Back]
A file's optional ACL entries are not preserved across uucp
transmission. Instead, new files have a summary of the access modes
(as returned in st_mode by stat(); see stat(2)).
EXTERNAL INFLUENCES [Toc] [Back]
Environment Variables
LC_TIME determines the format and contents of date and time strings
displayed by uucp and uulog commands.
LANG determines the language in which messages are displayed by uucp
and uuname commands.
If LC_TIME is not specified in the environment or is set to the empty
string, the value of LANG is used as a default for each unspecified or
empty variable. If LANG is not specified or is set to the empty
string, a default of "C" (see lang(5)) is used instead of LANG. If
any internationalization variable contains an invalid setting, uucp,
uulog, and uuname behave as if all internationalization variables are
set to "C". See environ(5).
International Code Set Support [Toc] [Back]
Single- and multi-byte character code sets are supported with the
exception that multi-byte-character file names are not supported.
WARNINGS [Toc] [Back]
The domain of remotely accessible files can (and for obvious security
reasons, usually should) be severely restricted. In most cases, you
cannot fetch files by path name from a remote system. Ask a
responsible person on the remote system to send them to you. For the
same reasons, you probably cannot send files to arbitrary path names.
As distributed, remotely accessible files are those whose names begin
/var/spool/uucppublic (equivalent to ~/).
All files received by uucp are owned by uucp.
The -m option only works when sending files or when receiving a single
file. Receiving multiple files specified by special shell characters
? * [...] does not activate the -m option.
Protected files and files in protected directories owned by the
requester can be sent by uucp. However, if the requester is root and
the directory is not searchable by other or the file is not readable
by other, the request fails.
uutry should be executed only with request file that exists in the
directory /var/spool/uucp/system_name/.
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FILES [Toc] [Back]
/etc/uucp configuration files
/var/uucp log and error files
/var/spool/uucp spool directories
/var/spool/locks lock files
/var/spool/uucppublic public directory for receiving and
sending
SEE ALSO [Toc] [Back]
mail(1), uux(1), uucico(1M), chmod(2), stat(2), acl(5).
Tim O'Reilly and Grace Todino,
Managing UUCP and Usenet, O'Reilly & Associates, Inc. USA.
Grace Todino and Dale Dougherty,
Using UUCP and Usenet, O'Reilly & Associates, Inc. USA.
STANDARDS CONFORMANCE [Toc] [Back]
uucp: SVID2, SVID3, XPG2, XPG3
uulog: SVID2, SVID3, XPG2, XPG3
uuname: SVID2, SVID3, XPG2, XPG3
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