Note: due to the many different
Versions of unix (berkley unix,
Bell system iii, and system v
The most popular) many commands
Following may/may not work. I have
Written them in system v routines.
Unix/xenix operating systems will
Be considered identical systems below.
How to tell if/if not you are on a
Unix system: unix systems are quite
Common systems across the country.
Their security appears as such:
Login; (or login;)
Password:
When hacking on a unix system it is
Best to use lowercase because the unix
System commands are all done in lower-
Case.
Login; is a 1-8 character field. It is
Usually the name (i.e. Joe or fred)
Of the user, or initials (i.e. J.jones
Or f.wilson). Hints for login names
Can be found trashing the location of
The dial-up (use your cn/a to find
Where the computer is).
Password: is a 1-8 character password
Assigned by the sysop or chosen by the
User.
common default logins
--------------------------
login; password:
root root,system,etc..
sys sys,system
daemon daemon
uucp uucp
tty tty
test test
unix unix
bin bin
adm adm
who who
learn learn
uuhost uuhost
nuucp nuucp
If you guess a lgin name and you are
Not asked for a password, and have
Accessed to the system, then you have
What is known as a non-gifted account.
If you guess a correct login and pass-
Word, then you have a user account.
And, if you guess the root password,
Then you have a "super-user" account.
All unix systems have the following
Installed to their system:
Root, sys, bin, daemon, uucp, adm
Once you are in the system, you will
Get a prompt. Common prompts are:
$
%
#
But can be just about anything the
Sysop or user wants it to be.
Things to do when you are in: some
Of the commands that you may want to
Try follow below:
Who is on (shows who is currently
logged on the system.)
Write name (name is the person you
wish to chat with)
to exit chat mode try ctrl-d.
eot=end of transfer.
Ls -a (list all files in current
directory.)
Du -a (checks amount of memory
your files use;disk usage)
Cd\name (name is the name of the
sub-directory you choose)
Cd\ (brings your home directory
to current use)
Cat name (name is a filename either
a program or documentation
your username has written)
most unix programs are written
in the c language or pascal
since unix is a programmers'
environment.
One of the first things done on the
System is print up or capture (in a
Buffer) the file containing all user
Names and accounts. This can be done
By doing the following command:
Cat /etc/passwd
If you are successful you will a list
Of all accounts on the system. It
Should look like this:
Root:hvnsdcf:0:0:root dir:/:
Joe:majdnfd:1:1:joe cool:/bin:/bin/joe
Hal::1:2:hal smith:/bin:/bin/hal
The "root" line tells the following
Info :
Login name=root
Hvnsdcf = encrypted password
0 = user group number
0 = user number
Root dir = name of user
/ = root directory
In the joe login, the last part
"/bin/joe " tells us which directory
Is his home directory (joe) is.
In the "hal" example the login name is
Followed by 2 colons, that means that
There is no password needed to get in
Using his name.
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