Library /sys$common/syshlp/pca$help.hlb SET, LOG, Examples  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  PCAC> SET LOG [PING]PONG

      This command establishes the file [PING]PONG.LOG as the
      Collector log file. All subsequent commands and their output
      are recorded in this file.