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UUX(1)											   UUX(1)

NAME
       uux - unix to unix command execution

SYNOPSIS
       uux [ - ] [ -cClLnprz ] [ -aname ] [ -ggrade ] [ -xdebug ] command-string

DESCRIPTION
       Uux  will gather zero or more files from various systems, execute a command on a specified
       system and then send standard output to a file on a specified system.

       The command-string is made up of one or more arguments that  look  like	a  Shell  command
       line, except that the command and file names may be prefixed by system-name!.  A null sys-
       tem-name is interpreted as the local system.

       File names may be one of(1) a full path name;

	      (2) a path name preceded by ~user where user is a login name on the specified  sys-
	      tem and is replaced by that user's login directory;

	      (3) a path name prefixed by ~; where ~ is expanded to the system's public directory
	      (usually /usr/spool/uucppublic);

	      (4) a partial pathname, which is prefixed by the current directory.

       As an example, the command

	      uux "!diff usg!/usr/dan/file1 pwba!/a4/dan/file2 > !~/dan/file.diff"

       will get the file1 and file2 files from the  ``usg''  and  ``pwba''  machines,  execute	a
       diff(1)	command  and put the results in file.diff in the local /usr/spool/uucppublic/dan/
       directory.

       Any special shell characters, such as <>;|, should be quoted either by quoting the  entire
       command-string, or quoting the special characters as individual arguments.

       Uux  will  attempt  to  get  all files to the execution system.	For files that are output
       files, the file name must be escaped using parentheses.	For example, the command

	      uux a!wc b!/usr/file1 \(c!/usr/file2 \)

       get /usr/file1 from system ``b'' and send it to system ``a'', perform a wc command on that
       file and send the result of the wc command to system ``c''.

       Uux  will notify you by mail if the requested command on the remote system was disallowed.
       This notification can be turned off by the -n option.

       The following options are interpreted by uux:

       -    The standard input to uux is made the standard input to the command-string.

       -aname
	    Use name as the user identification replacing the initiator user-id.

       -c   Do not copy local file to the spool directory for  transfer  to  the  remote  machine
	    (this is the default).

       -C   Force the copy of local files to the spool directory for transfer.

       -ggrade
	    Grade  is  a  single letter/number, from 0 to 9, A to Z, or a to z; 0 is the highest,
	    and z is the lowest grade.	The default is A; by comparison uucp(1) defaults to n and
	    mail  is  usually  sent at grade C.  Lower grades should be specified for high-volume
	    jobs, such as news.

       -l   Try and make a link from the original file to the spool directory.	If the link  can-
	    not be made, copy the file.

       -n   Do not notify the user when the command completes.

       -p   Same  as  -:  The  standard  input	to uux is made the standard input to the command-
	    string.

       -r   Do not start the file transfer, just queue the job.

       -xdebug
	    Produce debugging output on stdout.  The debug is a number between 0  and  9;  higher
	    numbers  give  more  detailed information. Debugging is permitted only for privileged
	    users (specifically, those with read access to L.sys(5).

       -z   Notify the user only if the command fails.

       -L   Start up uucico with the -L flag. This will force calls to be  made  to  local  sites
	    only (see uucico(8C)).

FILES
       /usr/spool/uucp	     spool directories
       /etc/uucp/*	     UUCP configuration data.

SEE ALSO
       uucp(1), uucico(8), uuxqt(8).

WARNING
       For  security  reasons,	many  installations will limit the list of commands executable on
       behalf of an incoming request from uux.	Many sites  will  permit  little  more	than  the
       receipt of mail (see mail(1)) via uux.

BUGS
       Only  the  first  command of a shell pipeline may have a system-name!.  All other commands
       are executed on the system of the first command.

       The use of the shell metacharacter * will probably not do what you want it to do.

       The shell tokens << and >> are not implemented.

       When invoking uux from csh(1), the `!' character must be prefixed by  the  `\'  escape  to
       inhibit csh's history mechanism. (Quotes are not sufficient.)

7th Edition				 October 22, 1996				   UUX(1)
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