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Data(4)


NAME

  Data - Contains data to be sent to remote systems


SYNOPSIS

  /usr/spool/uucp/LocalSystemName/D.SystemNamexxxx###


DESCRIPTION

  Data (D.*) files contain the data to be sent to remote systems by the uucp
  uucico daemon. The full pathname of a data file is a form of the following:

       /usr/spool/uucp/SystemName/D.SystemNamexxxx###

  where the SystemName directory and the SystemName portion of the file name
  indicate the name of the remote system.  The xxxx### notation is the
  hexadecimal sequence number of the Command (C.*) file associated with that
  data file; for example, D.venus471afd8.

  After a set period of time (specified by the uusched daemon), the uucico
  daemon transfers the data file to the designated system.  It places the
  original data file in a subdirectory of the uucp spooling directory named
  /usr/spool/uucp/SystemName, where the SystemName directory is named for the
  computer that is transmitting the file, and creates a Temporary (TM.*) file
  to hold the original data file.

  After receiving the entire file, the uucp program takes one of three
  actions:

   1.  If the file was sent with the uucp command and there were no transfer
       problems, the program immediately renames the TM.* file with the
       appropriate data filename, such as D.venus471afd8, and sends it to the
       specified destination.

   2.  If the file was sent with the uuto command, the uucp program also
       renames the temporary data file with the appropriate D.* filename.  It
       then places the data file in the public directory
       /usr/spool/uucppublic, where the user receives the data file and
       handles it with one of the uupick command options.

   3.  If there were transfer problems (such as a failed login or an
       unavailable device), the temporary data file remains in the spooling
       subdirectory.  The uudemon.cleanu command, a shell script, removes
       these files automatically at specified intervals, or they can be
       removed manually.


FILES

  /usr/lib/uucp/Systems
      Describes accessible remote systems

  /usr/spool/uucp/SystemName/*
      Contains uucp command, data, and execute files

  /usr/spool/uucp/SystemName/C.*
      Contain instructions for file transfers

  /usr/spool/uucp/SystemName/TM.*
      Store data files temporarily after they have been transferred to a
      remote system

  /usr/spool/uucppublic/*
      Contain files that the uucp program has transferred


SEE ALSO

  Daemons: uucico(8), uusched(8), uuxqt

  Commands: uucp(1), uupick(1), uuto(1), uux(1), uudemon(4)

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