MZ is back!
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Multi-Tasking MS-DOS
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Beta Test Release 1.00
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Command Guide
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ARENA.EXE - Prints out arena assignments
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arena
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The system's memory arena is printed out. The
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number listed under the owner field is the PID of
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the process which owns the memory.
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BBSET.EXE - Set and report on behavior bits
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bbset [-o] [ {+|-}bitname ... ] fname ...
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BBSET sets or clears behavior bits in an .EXE file
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header. Multi-Tasking MS-DOS uses the behavior
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bits to determine the level of special
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compatibility support needed to run the
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application.
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BBSET will set (if +bitname) or clear (if -
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bitname) the named behavior bit(s) from the
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specified files. If the -o switch is specified,
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BBSET writes a report on the current setting of
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all the defined behavior bits to stdout after
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making the requested changes.
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For a list of behavior bits that BBSET knows
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about, type BBSET without any arguments.
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COUNTDOW.EXE - Count down a CPU loop
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countdown number
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Its argument is a number; it counts the number
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down to 0, at about a 1hz rate. It prints out
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the countdown. Another CPU loop program like
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TEXT, but this one terminates when the count
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reaches 0
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DETACH.EXE - Detaches a child process
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detach command [argument ...]
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The command given is run as a background process.
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Detach prints out the Command Subgroup ID (CSID)
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which may be used as an argument to KILL to
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terminate the process.
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Multi-Tasking MS-DOS Command Guide - Page: 2
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HE_DAEM.EXE - Hard error catcher
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detach he_daem
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Intercepts hard errors, reports them and requests
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user action. This should always be run in the
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background for now. Put the above command line in
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your AUTOEXEC.BAT file if you're not going to use
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the Session Manager (SM).
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KILL.EXE - send a signal to a process
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kill [-nn] [sig=nn] [disp=mm] pid ...
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Sends signal nn with disposition mm to processes
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mentioned in pid. Defaults to SIGTERM and process
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tree disposition.
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POUND.EXE - Exercise disk I/O system
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pound [t]count filea fileb
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Pound reads sequencially through filea and fileb,
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reading 512 bytes at a time alternating between
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the files on each read. When the end of file is
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read the following read for that file begins at
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the beginning of the file. If a count is
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specified without the preceeding "t" then pound
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reads 512 bytes, count number of times from each
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file before the program terminates. If "t"
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preceeds the count value then the files are read
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for count number of seconds before the program
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terminates.
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SLEEP.EXE - Sleep for a while
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sleep sec[.millisec]
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Sleep will execute a sleep system call for the
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number of seconds and milliseconds specified.
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This might be useful in batch files to pause for
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an interval as opposed to waiting for a user
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response.
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SM.EXE - Session manager
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sm
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Manages multiple processes running on different
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screens. Uses initialization file SM.INI. This
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Multi-Tasking MS-DOS Command Guide - Page: 3
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program includes the hard error catcher, so don't
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run HE_DAEM if you're going to use this. See the
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file SM.DOC for more information.
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TEXT.EXE - Loop and print text
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text argument
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CPU loops and prints its argument every 2 CPU
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seconds or so
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