Library /sys$common/syshlp/dtm$dw_helplib.hlb terms, sess_file  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  A file with the file type .SESSION containing a
  recording of an interactive terminal or DECwindows
  session.

  A session file contains the following data:

  o  A description of the type of display device on which
     you recorded the test

  o  A record of all input during the recording session

  o  Additional control and timing information