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In the following code: x = 3y + 7; the variables x and y represent numbers that can take on a number of different values.
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uusend(1c) [ultrix man page]

uusend(1c)																uusend(1c)

       uusend - send a file to a remote host

       uusend [ -m mode ] sourcefile sys1!sys2!..!remotefile

       The  command  sends  a  file  to a given location on a remote system.  The system need not be directly connected to the local system, but a
       chain of links needs to connect the two systems.

       The sourcefile can be ``-'', meaning to use the standard input.	Both of these options are primarily intended for internal use of uusend.

       The remotefile can include the ~userid syntax.

       -m mode
	  Specifies octal number for mode of file on the remote system.  Default is mode of input file.

       All systems along the line must have the command available and allow remote execution of it.

       Some uucp systems have a restriction where binary files cannot be the input to a command.  If this exists in any system along the line, the
       file will show up severly distorted.

       If anything goes wrong any further away than the first system down the line, you will never hear about it.

See Also
       uucp(1c), uuencode(1c), uux(1c)


Check Out this Related Man Page

UUENCODE(1C)															      UUENCODE(1C)

uuencode, uudecode - encode/decode a binary file for transmission via mail SYNOPSIS
uuencode [ source ] remotedest | mail sys1!sys2!..!decode uudecode [ file ] DESCRIPTION
Uuencode and uudecode are used to send a binary file via uucp (or other) mail. This combination can be used over indirect mail links even when uusend(1C) is not available. Uuencode takes the named source file (default standard input) and produces an encoded version on the standard output. The encoding uses only printing ASCII characters, and includes the mode of the file and the remotedest for recreation on the remote system. Uudecode reads an encoded file, strips off any leading and trailing lines added by mailers, and recreates the original file with the speci- fied mode and name. The intent is that all mail to the user ``decode'' should be filtered through the uudecode program. This way the file is created automati- cally without human intervention. This is possible on the uucp network by either using sendmail or by making rmail be a link to Mail instead of mail. In each case, an alias must be created in a master file to get the automatic invocation of uudecode. If these facilities are not available, the file can be sent to a user on the remote machine who can uudecode it manually. The encode file has an ordinary text form and can be edited by any text editor to change the mode or remote name. SEE ALSO
atob(n), uusend(1C), uucp(1C), uux(1C), mail(1), uuencode(5) BUGS
The file is expanded by 35% (3 bytes become 4 plus control information) causing it to take longer to transmit. The user on the remote system who is invoking uudecode (often uucp) must have write permission on the specified file. 4th Berkeley Distribution April 24, 1986 UUENCODE(1C)

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