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Unix Version 7 - man page for uux (v7 section 1C)

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UUX(1C) 										  UUX(1C)

       uux - unix to unix command execution

       uux [ - ] command-string

       Uux  will  gather  0  or more files from various systems, execute a command on a specified
       system and 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 pathname;

	      (2) a pathname preceded by ~xxx; where xxx is a userid on the specified system  and
	      is replaced by that user's login directory;

	      (3) anything else is prefixed by the current directory.

       The  `-'  option will cause the standard input to the uux command to be the standard input
       to the command-string.

       For example, the command

	      uux "!diff usg!/usr/dan/f1 pwba!/a4/dan/f1 > !fi.diff"

       will get the f1 files from the usg and pwba machines, execute a diff command and  put  the
       results in f1.diff in the local 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.

       /usr/uucp/spool - spool directory
       /usr/uucp/* - other data and programs

       D. A. Nowitz, Uucp implementation description

       An installation may, and for security reasons generally will, limit the list  of  commands
       executable  on  behalf of an incoming request from uux.	Typically, a restricted site will
       permit little other than the receipt of mail via uux.

       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.
       There is no notification of denial of execution on the remote machine.

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