RSTS (ˈrᵻstᵻs) is a multi-user time-sharing operating system developed by Digital Equipment Corporation (DEC, now part of Hewlett-Packard) for the PDP-11 series of 16-bit minicomputers. The first version of RSTS (RSTS-11, Version 1) was implemented in 1970 by DEC software engineers that developed the TSS-8 time-sharing operating system for the PDP-8. The last version of RSTS (RSTS/E, Version 10.1) was released in September 1992. RSTS-11 and RSTS/E are usually referred to just as "RSTS" and this article will generally use the shorter form. RSTS-11 supports the BASIC programming language, an extended version called BASIC-PLUS, developed under contract by Evans Griffiths & Hart of Boston. Starting with RSTS/E version 5B, DEC added support for additional programming languages by emulating the execution environment of the RT-11 and RSX-11 operating systems.
BTSS (Basic Time Sharing System – never marketed) – The first name for RSTS.
CCL (Concise Command Language) – equivalent to a command to run a program kept in the Command Line Interpreter.
CIL (Core Image Library) – A container file format used to hold one or more standalone (bootable) programs and operating systems, such as RSTS through version 6A.
CILUS (Core Image Library Update and Save) – DOS-11 program to manipulate a CIL file.
CLI (Command Line Interpreter) – See Command-line interface.
CUSPs (Commonly Used System Programs) – System management applications like Task Manager or Registry Editor on Microsoft Windows. On RSTS-11, CUSPs were written in BASIC-Plus just like user programs.
DCL (Digital Command Language) – See DIGITAL Command Language.
DTR (DATATRIEVE) – programming language
FIP (File Information Processing) – resident area for issuing file requests
FIRQB (File Information Request Queue Block) – A data structure containing information about file requests.
KBM (Keyboard Monitor) – Analogous to Command Line Interpreter.
LAT (Local Area Transport) – Digital's predecessor to TCP/IP
MFD (Master File Directory) – Root directory of file system.
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A new robust fixed-order RST controller design approach by convex optimization is proposed in this paper. Only frequency-domain data are considered in the approach for linear time-invariant single-input single-output systems. It is shown that performance s ...