【Hitachi】 HI-UX/M

  HI-UX/M was a UNIX OS that ran on M series hardware.
  Hitachi developed HI-UX/M by transplanting IN/ix from INTERACTIVE Systems in the United States to the HITAC M series, and adding a number of new functions such as the 4.2 BSD function based on System V release 2 UNIX OS.
  HI-UX/M was completed in August 1987.
  HI-UX/M had the following features:

Item Description
Support for a large-scale system
  • Supports multiple virtual storage, and secures a 16 MB storage area per process (task).
  • Virtual I/O function that speeds up the I/O of temporary files.
  • Operates under VMS, and can co-exist with other VOS-based OSs.
  • Supports Hitachi’s high-speed, high-quality laser beam printer as the output device for document printing.
Realization of excellent operability
  • Supports BSD-version command interpreter “C Shell.”
  • Capable of executing editing, e-mail, file copy, etc. with menu guidance, etc. on a multi-window screen.
Easy system development and operation
  • Supports C cross compiler for 80186/286 and Motorola 68000/68010.
  • Function for automatically starting/ending VMS and the HI-UX/M system.
Network support
  • Allows file and mail exchange with 2050 Workstation.
  • Allows communication with other OSs on Ethernet with TCP/IP support.
XMAP EA option Realizes generation and control of a map in the extended address area under DCCMII by being added to XMAP.