tops20CmdsRef

This document is the TOPS-20 Commands Reference Manual (AA-FP65A-TM), September 1985 edition. It serves as an alphabetically arranged guide to all operating system commands available to non-privileged users of TOPS-20.

Key information includes:

• Purpose: Describes commands for basic operations like file management, program control, device handling, and system information.
• Structure: Commands are listed alphabetically, with two appendices for quick reference: a functional grouping and an alphabetical summary detailing arguments and memory effects.
• Usage: Users are advised to first read "Getting Started With TOPS-20" and the "TOPS-20 User's Guide" for a complete understanding.
• Key Features: Includes details on file specifications (including wildcards), switches, subcommands, defaults, date-time arguments, command recognition, and abbreviations. It also lists EXEC messages (error, warning, information) and new/changed features in Version 6.1, notably "multiforking-class commands."