TOPS-20
以下のコマンド一覧はTOPS-20のコマンドプロセッサによりサポートされる。

ACCESS
ADVISE
APPEND
ARCHIVE
ASSIGN
ATTACH
BACKSPACE
BLANK
BREAK
BUILD
CANCEL
CLOSE
COMPILE
CONNECT
CONTINUE
COPY
CREATE
CREF
CSAVE
DAYTIME
DDT
DEASSIGN
DEBUG
DEFINE
DELETE
DEPOSIT
DETACH
DIRECTORY
DISABLE
DISCARD
DISMOUNT
EDIT
ENABLE
END-ACCESS
EOF
ERUN
EXAMINE
EXECUTE
EXPUNGE
FDIRECTORY
FORK
FREEZE
GET
HELP
INFORMATION
KEEP
LOAD
LOGIN
LOGOUT
MERGE
MODIFY
MOUNT
PERUSE
PLOT
POP
PRINT
PUNCH
PUSH
R
RECEIVE
REENTER
REFUSE
REMARK
RENAME
RESET
RETRIEVE
REWIND
RUN
SAVE
SEND
SET
SET HOST
SKIP
START
SUBMIT
SYSTAT
TAKE
TALK
TDIRECTORY
TERMINAL
TRANSLATE
TYPE
UNATTACH
UNDELETE
UNKEEP
UNLOAD
VDIRECTORY