steganography is the technique used for hiding various data in different type of image and audio files with out changing the basic characteristics of file. Steghide is a utility for steganography. The color- respectivly sample-frequencies are not changed thus making the embedding resistant against first-order statistical tests.

More ways to recover your Linux or Unix terminal session, with reader contributions!

Installing software. It’s something that you do quite a lot if you’re like most computer users. On Unix-like systems, there are several different ways you be getting that program however - it’s not necessarily a simple case of double-clicking one setup file.

How to get your terminal output back to normal after rendering it unreadable.

There are different ways to take Backup from MongoDB. Using mongodump is one of simple and efficient way to implement it. The bash script presented here take backup from replica set after verifying that current server is slave and then transfer it to separate backup server along with capturing vital information of all steps in log file.

Checking out the C stat() function and using it to interrogate files.

Every PC needs protection. Now with the Linux operating system you have a lot of choices for protection. But one of the easiest to use is Firestarter. Firestarter is one of the easiest-to-use firewalls I have used.

How to inventory your filesystem using a simple shell one-liner in Linux and Unix, for all shells from ash to zsh.

Using UNIX® in a day-to-day office setting doesn't have to be clumsy. Learn some of the many ways, both simple and complex, to use the power of the UNIX shell and available system tools to greatly increase your productivity in the office.