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for alerting you to the presence of a sysop.
4. ALARM.COM : An alarm clock. If they check the logs at 8 a.m., you
probably want to be off before then.
5. CGO.COM : Included because it's short. Allows you to compile,
link, and run a C program with a one-line command.
I have about 300 more pages of COM files. If you need anything, drop me
a line. I'll try and help out. I can be found on Forgotten Realm, or you can
call a non-hacker (local to me) IBM game board if it's an urgent message (The
Bastille-- 512/353-0590 300/1200 24 hrs. It's not the best hacker board in
the world, but my mail arrives daily...)
Also, if programming of this type interests you, let me know! I'm
considering putting up a board for the discussion of programming (compilers,
AI/Expert Systems, Op Systems, etc...). If I get enough positive response,
I'll go with it. Leave mail on the aforementioned systems.
The Mentor
CD.COM Version 5.0 VMS Change Directory Command
Sub-directories are a nice feature on many computers, but
they're not always easy to take advantage of. The VMS
commands to access sub-directories are a little obscure,
even to PC programmers who are used to using directories.
The solution? CD.COM, a change directory command that works
almost the same as the PC-DOS CD and PROMPT commands:
CD - Display your home directory, current
directory, and node name. (Similar to, but
better than the VMS SHOW DEFAULT command.)
CD dir_name - Move you to the [dir_name] directory.
CD [dir_name] (Same as the SET DEFAULT [dir_name] command.)
CD .sub_name - Move you to the [.sub_name] subdirectory.
CD [.sub_name] (Same as the SET DEFAULT [.sub_name] command.)
CD \ - Move you to your home (root) directory, which
CD HOME is the directory you are in when you login.
CD SYS$LOGIN (Same as the SET DEFAULT SYS$LOGIN command.)
CD .. - Move you to the directory above your
CD [-] current directory. (Same as the VMS
SET DEFAULT [-] command.)
CD ..sub_name - Move you "sideways" from one subdirectory
CD [-.sub_name] to another subdirectory. (Same as the
SET DEFAULT [-.sub_name] command.)
CD * - Select a subdirectory to move to, from a
list of subdirectories.
CD . - Reset the current directory.
CD ? - Display instructions for using CD.
The VMS SET DEFAULT command has a flaw: you can change
directories to a directory that doesn't exist. CD handles this
more elegantly; you're left in the same directory you were in
before, and this message appears:
[dir_name] Directory does not exist!
PC-DOS lets you display the current directory as part of the
prompt. (If you haven't seen this feature, try the PC-DOS
command PROMPT $P$G.) CD.COM will change the prompt for you
each time you change directories if you include this line in
your LOGIN.COM file:
DEFINE SYS$PROMPT "ON"
Without this line, your prompt is not changed from what you
have it set as. Instead, your home (root) directory name,
current directory name, and node name are displayed whenever
you issue the CD command.
Since VMS allows prompts to contain no more than 32 characters,
if you change to a subdirectory that would make your prompt too
long, CD automatically leaves off some of the higher level
sub-directories to keep your prompt short, and displays a "*"
as one of the prompt characters.
CD lets you use directory names defined with with the DEFINE
command. For example, if you're in one of Dr. Smiths' CS3358
classes, you might want to define his CS3358 assignments
directory like this:
DEFINE SMITH "DISK$CS:[CS.SMITH.3358]"
Then, CD SMITH would move you to this directory. Try it!
Also, some directories are already defined by the system.
The SHOW LOGICAL command will give you clues to some of these
system directories, if you want to go exploring. CD also