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    • How to Audit Unix Passwords

      How to Audit Unix Passwords

      To audit Unix passwords, you must compare each encrypted password in the Unix password file with a set of potential encrypted passwords. These potential encrypted passwords are created by encrypting every password in a list of plaintext passwords. This is an example of a dictionary attack. The Unix passwd File Location The traditional location for

    • Configuring a Linux Mail Server

      Configuring a Linux Mail Server

      Configuring Linux Mail Server Linux Mail Server The main purpose of the mail server is concerned with to receive and send emails. S Software applications are used to manage incoming of emails from any other server and to forward it to the destination. There are many web hosting services which provide mailing facilities along with

    • How to Use the Unix Sort Command

      How to Use the Unix Sort Command

      The Unix sort command is a command for the Unix family of operating systems. It is designed to sort whatever information you give it. The command can be used for a variety of purposes, but it is most frequently employed when there are a number of different files which need to be ordered in some

    • Restricted Shells

      Restricted Shells

      A restricted shell is a Unix shell that has been modified to allow the Unix shell user to do fewer things than a normal shell would allow him to do. It may allow the user to run only certain programs. It may stop the user from changing directories. Many sites run their own restricted shells

    • How to Change an IP Address on Solaris

      How to Change an IP Address on Solaris

      To change an IP address on a Solaris system immediately, use the `ifconfig` command. The syntax for `ifconfig` is: ifconfig <interface> <ip address> <netmask> <broadcast address> If the user does not know his/her network interface names, he/she should use the `ifconfig -a` command to list all of the available network interfaces. Permanently Change an IP

    • Where to Find a Unix Tutorial

      Where to Find a Unix Tutorial

      Unix has many dedicated fans who have written quite a few excellent Unix tutorials for beginning users. Here are a few of the better Unix tutorials: Unix Tutorial for Beginners Unix: The Bare Minimum Introduction to Unix commands Unix Tutorial UNIXhelp for Users Unix Tutorial and Command Reference Unix Tutorial

    • Where to Download Unix

      Where to Download Unix

      Free derivatives of Unix can be easily downloaded via the Internet. This sets Unix apart from other proprietary operating systems like Microsoft Windows. The different Unix versions and Unix-like operating systems available for download include FreeBSD, OpenBSD, Red Hat Fedora Linux, Debian Linux, Ubuntu Linux, and Sun Solaris. Those who are new to Unix or

    • How to Kill a Process in Unix

      How to Kill a Process in Unix

      A computer process is a computer program that is executing and has a unique process identification or PID. On the Unix Operating System (OS), a process may be running in the background, foreground, or be in a suspended state. On Unix, the OS shell will not return the prompt to the end-user until the current

    • What is Tar?

      What is Tar?

      Tar refers to a tape archiving file format and the program that creates them. Tar stands for tape archive. It combines multiple files together so that they can be used for programs, applications, and critical system files. While Tar does not directly install files to a user’s hard drive, it is responsible for compiling the

    • Where to Get a Unix Emulator

      Where to Get a Unix Emulator

      It is very useful to have a Unix emulator installed on your machine to serve as a tool for learning how to use Unix and getting used to its environment. Once you are familiar, you can go ahead and install a full version of Unix. The best Unix emulator for your needs is Cygwin (pronounced

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