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NIA #49 - Update On Some VMS Commands
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???????????????????? ????????????????????????????????? ????????????????????
? Founded By: ? ? Network Information Access ? ? Founded By: ?
? Guardian Of Time ??? 07SEP90 ??? Guardian Of Time ?
? Judge Dredd ? ? Guardian Of Time ? ? Judge Dredd ?
???????????????????? ? File 49 ? ????????????????????
? ????????????????????????????????? ?
? ?????????????????????????????????????????????????? ?
???? BRIEF UPDATE ON SOME VMS COMMANDS: ????
? SHOW USERS, SHOW SYSTEM, and STOP/ID= COMMANDS ?
??????????????????????????????????????????????????
This file is just an update on some things I found out after I wrote NIA044.TXT
HOW TO CREATE AN ACCOUNT ON A VMS BASED SYSTEM. I'll be going over some
items that I have mentioned in NIA044.TXT, but you might be interested in
reading them again, for I now have included actual VAX Prompts and such, so
you will now have a better idea of what I am talking about.
$_Basic_Overview
When logging into a VMS based system, you will be greeted by the familiar
prompt, which tells you that you are in DCL (Digital Command Language):
Username:FIELD
Password:
Welcome to NETWORK INFORMATION ACCESS DATABASE ... VAX/VMS Version 5.3
Last interactive login on Friday, 7-SEP-1990 20:07
$
$
The Password can be up to any character length that you want it to be set
at. It is suggested that the password be under 32 characters. Also the
password is NOT shown to you (Or in English, it is not echoed back to your
screen ).
Username:FIELD
Password:
User Authorization Failure
That means you screwed up, and for you to try again.
$_SHOW Command
I dialed into our system and pulled out the SHOW COMMAND section for you to
look at, this is exactly what is on a MICROVAX 3500 running VMS 5.3 (noticed
the new version since 4.7? hehehe), anyways, if you are dialed into any VAX,
you can type HELP and get a command, if you want all commands type HELP * and
get your buffer ready, BUT REMEMBER it only shows you the commands not ALL OF
THE COMMON QUALIFIERS.
$ HELP SHOW *
SHOW
ACCOUNTING
The SHOW ACCOUNTING command displays items for which accounting is
enabled. For a detailed description of these items, see the
discussion of the SET ACCOUNTING command in the VMS DCL Dictionary.
Format:
SHOW ACCOUNTING
Additional information available:
Command_Qualifiers
/OUTPUT
Examples
SHOW
ACL
Allows you to display the access control list (ACL) of an object.
Format:
SHOW ACL
Additional information available:
Parameters Command_Qualifiers
/OBJECT_TYPE
Examples
SHOW
AUDIT
Displays the security auditing characteristics currently enabled on
the system. Requires the SECURITY privilege.
Format:
SHOW AUDIT
Additional information available:
Command_Qualifiers
/ALL /ALARM /ARCHIVE /FAILURE_MODE /JOURNAL /OUTPUT
/SERVER
Examples
SHOW
BROADCAST
Displays the message classes that are currently affected by the SET
BROADCAST command.
Format:
SHOW BROADCAST
Additional information available:
Command_Qualifiers
/OUTPUT
SHOW
CLUSTER
Invokes the VMS Show Cluster Utility (SHOW CLUSTER) to monitor and
display cluster activity and performance. For a complete description
of the Show Cluster Utility, including information about the SHOW
CLUSTER command, see the VMS Show Cluster Utility Manual.
Format:
SHOW CLUSTER
Additional information available:
Command_Qualifiers
/BEGINNING /CONTINUOUS /ENDING /INTERVAL /OUTPUT
Examples
SHOW
CPU
Displays the current state of the processors in a VMS multiprocessing
system.
Applies only to VMS multiprocessing systems. Requires change mode to
kernel (CMKRNL) privilege.
Format:
SHOW CPU [cpu-id,...]
Additional information available:
Parameter Qualifiers
/ACTIVE /ALL /BRIEF /FULL /SUMMARY
Examples
SHOW
DEFAULT
Displays the current default device and directory names, along with
any equivalence strings. These defaults are applied whenever you
omit a device and/or directory name from a file specification.
Format:
SHOW DEFAULT
Additional information available:
Examples
SHOW
DEVICES
Displays the status of a device on the system.
Format:
SHOW DEVICES [device-name[:]]
Additional information available:
Parameters Command_Qualifiers
/ALLOCATED /BRIEF /FILES /FULL /MOUNTED /OUTPUT /SYSTEM
/WINDOWS
/SERVED
SHOW
DISPLAY
Indicates the node where output from a DECwindows application will
be displayed.
Format
SHOW DISPLAY [display-device]
Additional information available:
Parameter Example
SHOW
ENTRY
Displays information about a user's batch and print jobs or about
specific job entries. The display shows each entry's current status
as well as its attributes. These attibutes are the job name, owner,
entry number, job status, queue name.
Requires GROUP privilege to display all jobs in your group.
Requires OPER privilege to display all jobs in all groups
Format:
SHOW ENTRY [entry-number,...]
Additional information available:
Parameters Command_Qualifiers
/BATCH /BRIEF /BY_JOB_STATUS /DEVICE /FILES /FULL
/GENERIC /OUTPUT /USER_NAME
Examples
SHOW
ERROR
Displays the error count for all devices with error counts greater
than 0.
Format:
SHOW ERROR
Additional information available:
Command_Qualifiers
/FULL /OUTPUT
Examples
SHOW
INTRUSION
Displays the contents of the breakin database.
Format:
SHOW INTRUSION
Additional information available:
Command_Qualifiers
/OUTPUT /TYPE
Examples
SHOW
KEY
Displays the key definitions created by the DEFINE/KEY command.
Format:
SHOW KEY [key-name]
Additional information available:
Parameters Command_Qualifiers
/ALL /BRIEF /DIRECTORY /FULL /STATE
SHOW
LICENSE
Displays software product licenses active on the current node.
An active license is one that has been registered in the LICENSE
database and loaded into system memory. To register and activate
software product licenses, use the License Management Utility
(LICENSE), or VMSLICENSE.COM. Some licenses are registered
automatically during product installation.
For a complete description of this utility, see the VMS License
Management Utility Manual, part of the VMS Base Documentation Set.
To display licenses registered in the LICENSE database, use the
LICENSE LIST command, described with the utility.
Format
SHOW LICENSE [product-name]
Additional information available:
PARAMETER QUALIFIERS
/BRIEF /CHARGE_TABLE /OUTPUT /PRODUCER
Examples
SHOW
LOGICAL
Displays all logical names in one or more logical name tables or
displays the current equivalence string, or strings, assigned to a
specified logical name or names. The SHOW LOGICAL command performs
iterative translations.
Format:
SHOW LOGICAL [logical-name[:],[...]]
Additional information available:
Parameters Command_Qualifiers
/ACCESS_MODE /ALL /DESCENDANTS /FULL /GROUP
/JOB /OUTPUT /PROCESS /STRUCTURE /SYSTEM /TABLE
Examples
SHOW
MAGTAPE
Displays the current characteristics and status of a specified
magnetic tape device.
Format:
SHOW MAGTAPE device-name[:]
Additional information available:
Parameters Command_Qualifiers
/OUTPUT
Examples
SHOW
MEMORY
Displays the availability and usage of those system resources that
are related to memory.
Format:
SHOW MEMORY
Additional information available:
Command_Qualifiers
/ALL /FILES /FULL /OUTPUT /PHYSICAL_PAGES /POOL
/SLOTS
Examples
SHOW
NETWORK
Displays the availability of the local node as a member of the
network and the addresses and names of all nodes that are currently
accessible to the local node. The SHOW NETWORK command also
displays link and cost relationships between the local node and
other nodes in the network.
Format:
SHOW NETWORK
Additional information available:
Command_Qualifiers
/OUTPUT
Examples
SHOW
PRINTER
Displays the device characteristics currently defined for a system
printer.
Format:
SHOW PRINTER device-name[:]
Additional information available:
Parameters Command_Qualifiers
/OUTPUT
SHOW
PROCESS
Displays information about a process and subprocesses. If no
qualifier is entered, only a basic subset of information is
displayed: the time, process terminal, user name and UIC, node name,
process name and process identification, priority, default
directory, and allocated devices. Requires GROUP privilege to show
other processes in the same group. Requires WORLD privilege to show
processes outside your group.
Format:
SHOW PROCESS [process-name]
Additional information available:
Parameters Command_Qualifiers
/ACCOUNTING /ALL /CONTINUOUS /IDENTIFICATION
/MEMORY /OUTPUT /PRIVILEGES /QUOTAS /SUBPROCESSES
Examples
SHOW
PROTECTION
Displays the current file protection to be applied to all new files
created during the terminal session or batch job. You can change
the default protection at any time with the SET PROTECTION command.
Format:
SHOW PROTECTION
Additional information available:
Examples
SHOW
QUEUE
Displays information about queues and jobs that are currently in
queues.
o Display characteristic names and numbers that are available on
queues (see /CHARACTERISTIC).
o Display form names and numbers that are available on queues (see
/FORM).
Format:
SHOW QUEUE [queue-name]
Additional information available:
Parameters Command_Qualifiers
/ALL_ENTRIES /BATCH /BRIEF /BY_JOB_STATUS /DEVICE
/FILES /FULL /GENERIC /OUTPUT /SUMMARY
/CHARACTERISTIC /FORM
SHOW
QUOTA
Displays the current disk quota that is authorized for a specific
user on a specific disk. This display includes a calculation of the
amount of space available and the amount of overdraft that is
permitted.
Format:
SHOW QUOTA
Additional information available:
Command_Qualifiers
/DISK /USER
Examples
SHOW
RMS_DEFAULT
Displays the current default multiblock count, multibuffer count,
network transfer size, prologue level, and extend quantity that VAX
RMS uses for file operations.
Format:
SHOW RMS_DEFAULT
Additional information available:
Command_Qualifiers
/OUTPUT
SHOW
STATUS
Displays the status of the current process.
Format:
SHOW STATUS
SHOW
SYMBOL
Displays the current value of a local or global symbol. Symbols are
defined with assignment statements (the = or := commands), by
parameters passed to a command procedure file, or by the INQUIRE or
READ commands.
Format:
SHOW SYMBOL [symbol-name]
Additional information available:
Parameters Command_Qualifiers
/ALL /GLOBAL /LOCAL /LOG
Examples
SHOW
SYSTEM
Displays status information about current processes: the time,
process name and identification, processing state, priority, total
process I/O, cumulative processor time used, cumulative page faults,
amount of physical memory being used, and type of process.
Format:
SHOW SYSTEM
Additional information available:
Command_Qualifiers
/BATCH /CLUSTER /FULL /NETWORK /NODE /OUTPUT
/PROCESS /SUBPROCESS
Examples
SHOW
TERMINAL
Displays the current characteristics of a specific terminal. Each
characteristic corresponds to an option of the SET TERMINAL command.
Note:
SHOW TERMINAL does not list terminal fallback characteristics if any
are activated. If the Terminal Fallback Facility is enabled, you can
invoke the Terminal Fallback Utility (TFU) and issue the subcommand
SHOW TERMINAL/FALLBACK. See the VMS Terminal Fallback Utility
for more information.
Format:
SHOW TERMINAL [device-name[:]]
Additional information available:
Parameters Command_Qualifiers
/OUTPUT /PERMANENT
SHOW
TIME
Displays the current date and time. The DAY element is optional.
Format:
SHOW [DAY]TIME
Additional information available:
Examples
SHOW
TRANSLATION
Searches one or more logical name tables for a specified logical
name and returns the first equivalence name of the first match
found.
Format:
SHOW TRANSLATION logical-name
Additional information available:
Parameters Command_Qualifiers
/TABLE
Examples
SHOW
USERS
Displays the user name and node name (in a VAXcluster environment)
of interactive, subprocess, and batch users on the system.
Format:
SHOW USERS [username]
Additional information available:
Parameters Command_Qualifiers
/BATCH /CLUSTER /FULL /INTERACTIVE /NETWORK /NODE
/OUTPUT /SUBPROCESS
Examples
SHOW
WORKING_SET
Displays the working set limit, quota, and extent assigned to the
current process.
Format:
SHOW WORKING_SET
Additional information available:
Command_Qualifiers
/OUTPUT
We will be viewing SHOW SYSTEM, SHOW USERS, STOP/ID=xxxxx commands today.
You will find the STOP/ID= command of most fun and interest in your crossing
of VAX's today.
As mentioned all the Show commands have been listed above for you and please
take your time, view them carefully, for when you are on a system, if you keep
typing HELP over and over again, that MAY give you away, I am not saying it
will, but, lets just say that someone that looks familiar w/ the system is less
a target then someone who keeps typing HELP every so often. So if you must
make out a flow chart of what you wish to do or type out everything in advance
this can save you extreme amounts of time.
$_What You Need To Know About SHOW USERS And Why...
Username:FIELD
Password:
Welcome to NETWORK INFORMATION ACCESS DATABASE ... VAX/VMS Version 5.3
Last interactive login on Friday, 7-SEP-1990 20:39
$ SH U
VAX/VMS User Processes at 7-SEP-1990 20:51:38.99
Total number of users = 2, number of processes = 2
Username Interactive Subprocess Batch
NIA 1
FIELD 1
MANAGER 1
$ lo
FIELD logged out at 7-SEP-1990 20:51:43.98
What has just been shown to you is all the USERS that are ONLINE at the
moment. This must be done EVERY TIME YOU LOG ONTO A SYSTEM. Now, re-read
everything in all caps there (EVERY TIME YOU LOG ONTO A SYSTEM), you MUST
type SHOW USERS, if you see a Username of MANAGER you might want to either
log off the system right away or just gamble that he is not really there.
But GOT, if Username is there, than that means he is online right? That is
what you said. Correct that IS what I said but that is NOT what I meant.
When you type SHOW USERS that shows every terminal that has someone
successfully entered the system. It does NOT MEAN THEY ARE THERE. A neat and
sneaky security trick that SOME(note not ALL Managers)Managers pull, is that
they will log into the system and then freeze the terminal that they are on.
This gives the IMPRESSION that the MANAGER is logged on and when in all
actuallity she/he is NOT. Now do NOT think that this means that every time
you log into a VAX and type SHOW USERS and see MANAGER, that you can go,
well GOT said its a fake, I did NOT say its a fake, I am saying that it
COULD BE A TRICK, and for all instances, the MANAGER could be a dummy
account, while the REAL MANAGER is under a different Username. Just be
DOUBLE carefull when you see a MANAGER Username. My own suggestion? Log Off
IMMEDIATELY. Why take chances?
$_What You Need To Know About SHOW SYSTEM
$ SHOW SYSTEM
VAX/VMS V5.3-2 on node NIA 7-SEP-1990 20:40:27.99 Uptime 0 00:58:55
Pid Process Name State Pri I/O CPU Page flts Ph.Mem
00000041 SWAPPER HIB 16 0 0 00:00:09.57 0 0
00000045 ERRFMT HIB 8 80 0 00:00:00.39 81 116
00000046 OPCOM HIB 8 35 0 00:00:00.32 206 76
00000047 JOB_CONTROL HIB 8 3501 0 00:00:07.89 178 333
00000048 CONFIGURE HIB 8 6 0 00:00:00.12 96 141
00000049 NETACP HIB 10 39 0 00:00:00.53 195 370
0000004A EVL HIB 6 50 0 00:00:00.71 1252 39 N
0000004B REMACP HIB 8 8 0 00:00:00.08 69 38
0000004C MDAEMON HIB 14 12881 0 00:00:15.03 2192 2419
0000004D MGARCOL HIB 9 154 0 00:00:00.88 938 838
0000004E MLOCK0 HIB 4 5 0 00:00:00.40 215 88
0000004F MLOCK1 HIB 4 5 0 00:00:00.41 217 90
00000050 MLOCK2 HIB 4 5 0 00:00:01.05 1817 1690
00000051 MLOCK3 HIB 4 5 0 00:00:01.21 2421 2297
00000052 MLOCK4 HIB 4 6 0 00:00:00.42 215 88
00000053 VAXSIMPLUS 1.1A HIB 8 30 0 00:00:00.26 211 140
000009D9 NIA COM 6 2566 0 00:01:24.07 2735 2181
000009A3 _VTA12: HIB 4 3627 0 00:00:26.76 2714 2164
00000931 _OPA0: LEF 6 2633 0 00:00:11.23 1880 1337
00000AF3 _TXA1: COM 4 9 0 00:00:00.10 122 137
00000AB5 FIELD CUR 7 93 0 00:00:00.86 438 326
000008B6 _VTA11: LEF 7 785 0 00:00:13.02 2410 1881
000004B7 MJB.%ZFRETRM 20 COM 4 771 0 00:03:01.77 2192 2056
00000AFA _TXA1: COM 6 16 0 00:00:00.16 173 211
0000067B _TXA1: LEF 9 26 0 00:00:00.23 199 230
$
$
$ LO
FIELD logged out at 7-SEP-1990 20:42:52.00
Show system, shows EVERY single thing out there. Just to give you a quick
idea:
_VTA12: that is a Terminal
_NIA that is a Node
FIELD that is a Username in DCL
_TXA1: that is a Device
The rest are all system files and such.
$_Stop Command, And Why It Can Be Fun...
The last new command I am going to teach you is the STOP command. Listed
below is the VAX HELP on STOP:
Username:FIELD
Password:
Welcome to NETWORK INFORMATION ACCESS DATABASE ... VAX/VMS Version 5.3
Last interactive login on Friday, 7-SEP-1990 21:11
$ HELP STOP *
STOP
Parameters
process-name
Specifies the name of the process to be deleted. The process name
can have from 1 to 15 alphanumeric characters. The specified
process must have the same group number in its user identification
code (UIC) as the current process. You cannot specify the
process-name for a process outside of your group. To stop a process
outside of your group, you must use the qualifier
/IDENTIFICATION=pid.
If you use the /IDENTIFICATION qualifier, the process name is
ignored. If you include neither the process-name parameter nor the
/IDENTIFICATION qualifier with the STOP command, the image executing
in the current process is terminated.
STOP
Command_Qualifiers
/IDENTIFICATION
/IDENTIFICATION=pid
Specifies the process identification code (PID) that the system has
assigned to the process. When you create a process with the RUN
command, the RUN command displays the process identification code of
the newly created process.
You can omit any leading zeros in specifying the PID.
STOP
Examples
1. $ RUN MYPROG
.
.
.
<CTRL/Y>
Interrupt
$ STOP
The RUN command begins executing the image MYPROG. Subsequently,
CTRL/Y interrupts the execution. The STOP command then terminates
the image.
2. $ @TESTALL
.
.
.
<CTRL/Y>
Interrupt
$ STOP
The @ (Execute Procedure) command executes the procedure
TESTALL.COM. CTRL/Y interrupts the procedure. The STOP command
returns control to the DCL command interpreter.
3. $ RUN/PROCESS_NAME=LIBRA LIBRA
%RUN-S-PROC_ID, identification of created process is 0013340D
.
.
.
$ STOP LIBRA
The RUN command creates a subprocess named LIBRA to execute the
image LIBRA.EXE. Subsequently, the STOP command causes the image to
exit and deletes the process.
4. $ ON ERROR THEN STOP
.
.
.
In a command procedure, the ON command establishes a default action
when any error occurs in the execution of a command or program. The
STOP command stops all command levels. If this ON command is
executed in a command procedure which in turn is executed from
within another procedure, control does not return to the outer
procedure, but to DCL command level 0.
STOP
/CPU
Stops the specified secondary processor or processors in a VMS
multiprocessing system. The /CPU qualifier is required.
Requires change mode to kernel (CMKRNL) privilege.
Format:
STOP/CPU [cpu-id,...]
Additional information available:
Parameter Qualifiers
/ALL /OVERRIDE_CHECKS
Examples
STOP
/QUEUE
The STOP/QUEUE command causes the specified execution queue to
pause. The /QUEUE qualifier is required.
o Cause executing jobs in the specified output queue to be stopped
(see /ABORT).
o Cause executing jobs in the specified batch queue to be stopped
(see /ENTRY).
o Perform an orderly shutdown of the system job queue manager on
the node from which the command is issued (see /MANAGER).
o Cause the specified queue to stop after all executing jobs have
completed processing (see /NEXT).
o Cause the executing jobs in the specified queue to be stopped and
requeues it for later processing (see /REQUEUE).
o Abruptly stop the queue and return control to the system (see
/RESET).
Format:
STOP/QUEUE queue-name[:]
Additional information available:
Parameters Examples /ABORT /ENTRY /MANAGER /NEXT
/REQUEUE /RESET
Topic?
$
$ LO
FIELD logged out at 7-SEP-1990 21:11:57.55
Now you must never start stopping Terminals (remember under Show System
_VTA1:???), if you type the following command:
STOP PROCESS/ID=8B6(return)
You will in effect shut down the terminal. Thus, raising extreme panic
modes on the person that is using process id 8b6 (could actually be the
MANAGER under a false Username).
Where did I get 8B6?? I got 8B6 from SHOW SYSTEM, that, if you recall shows
every device, and if you look under the PROCESS ID column you will see where
I pulled 8B6 from.
When STOPping a process, you do NOT need to type in the entire PROCESS ID,
which is 000008B6, all you needed is the last bit of information, or where
it actually starts a number or letter. You CAN type the entire line out if
you wish, but it saves time and increases speed to just type 8B6 instead of
000008B6.
Now why did I tell you about the STOP command? Because if you start stopping
PROCESS ID's you are going to raise some dangerous questions the next
morning or that night. You can CRASH a system by stopping every device, and
in particular, you can shut down NODES as well as MODEMS, TERMINALS,
PRINTERS, etc...
$_Conclusions
Make a chart of what you are going to do, if you can create a text file and
print it out, or work it into a program anything, just have something in
front of you that you can read your commands off of.
The format for any VAX operations are (after you logged in):
SHOW USERS : To see if a MANAGER User name is online
SHOW SYSTEM : For those interested in other Devices such as modems
begin your process
If a MANAGER Username is online QUICKLY type LO(return) that is a shortened
way of typing LOG OUT.
The more you know the system, and the more comfortable you are, the less
likely you are to make mistakes, and remember the Golden Rules of Hacking as
laid down in Phrack (no I'm not going to reprint them, get the issue
yourself), follow them.
$_END OF FILE
[OTHER WORLD BBS]
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