From the category archives:

FAQ

How to Find and Delete Empty Directories and Files in Unix

by Ramesh Natarajan on March 12, 2010

Question: How do I locate empty directories that doesn’t contain any files? Also, how do I find all empty files ( zero byte files ) in Linux?

Answer: You can use unix find command to get a list of all empty files and directories as explained below.

Also, refer to our earlier articles about unix find command examples – part 1 and find command examples – part 2.

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How to Open Multiple Websites (tabs) in Firefox during Startup?

by Ramesh Natarajan on March 5, 2010

Question: How do I set multiple home pages in firefox? i.e I would like to open more than one website automatically when the firefox starts.

Answer: Please follow the steps mentioned below to open multiple tabs in Firefox during startup.
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Cobol Hello World Example: How To Write, Compile and Execute Cobol Program on Linux OS

by Ramesh Natarajan on February 26, 2010

Question: I would like to understand the basics of how to write and execute Cobol program on Linux OS. Can you explain it with a simple example?

Answer: In this article, let us review very quickly how to write a basic Hello World Cobol program and execute cobol program on Linux or Unix OS.

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Get Source Code for any Linux Command

by Ramesh Natarajan on February 19, 2010

Question: How do I get source code of any Linux command?

Answer: For Debian family Linux distributions, you can get source code for any Linux commands using one of the two methods mentioned below.
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Java Hello World Example: How To Write and Execute Java Program on Unix OS

by Ramesh Natarajan on February 12, 2010

Question: I would like to understand the basics of how to write, compile and execute a Java program on UNIX / Linux OS. Can you explain it with a simple example?

Answer: In this article, let us review very quickly how to write a basic Hello World Java program and how to compile *.java program on Linux or Unix OS.

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How To Change Wallpaper in Fluxbox Window Manager

by Leonardo Sanchez on February 5, 2010

Question: How do I change the desktop background wallpaper in fluxbox window manager?

Answer: We discussed fluxbox earlier in an introduction to the fluxbox window manager and how to shutdown the system from fluxbox window manager.

In this article we’ll see how to change the wallpaper in fluxbox by using a bash script or by editing the menu file.
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Shell Script Execution Guidelines for Newbies

by Ramesh Natarajan on January 22, 2010

Question: What are the basic fundamental things I should know to execute a shell script? Also, when I execute my shell script I get “Permission denied” error message. How do I fix it?

Answer: Let us review the 4 basic fundamental things you should know about executing a shell script.

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How To Add Shutdown / Reboot Functionality to Fluxbox Window Manager for X

by Leonardo Sanchez on January 22, 2010

Question: How do I add shutdown / Reboot functionality to the fluxbox window manager? Can you explain to me with clear examples?

Answer: In our previous article we gave an introduction to the fluxbox. In this article, let us review how to add shutdown or reboot functionality to fluxbox.

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