How to find difference between three files in ubuntu?

 Diff3 is the command used to find the compare three text files specified by filename1,filename 2 and filename3.It is also possible to compare three directories in ubuntu.This can be done when you specify three directories instead of files.The command diff3 compares only those files with same names.

How to find difference between two files in ubuntu?

Diff is the command used to find the difference between two text files specified by filename1 and filename2.It is also possible to compare two directories in ubuntu.This can be done when you specify two directories instead of files.The command diff compares only those files with same names.

How to install onscreen keyboard in ubuntu?

The languages are - Assamese, Bengali, Gujarati, Hindi, Kannada, Marathi, Malayalam, Punjabi, Oriya, Sindhi, Tamil, Telugu. Using drop down menu you can select any of above supported Indian language.Drop down menu listing depends on available inscript keymaps at location /usr/share/m17n/. You can then start directly clicking on keys appearing in iok graphical interface.It will not only show you keyvalues(characters) for English keys on your QWERTY keyboard from selected inscript keymap but also allows you to send those characters to currently active window.

How to have multiple terminals in one window?

Terminator is a little project to produce an efficient way of filling a large area of screen space with terminals.The user can have multiple terminals in one window and use key bindings to switch between them.

How to decrypt a file in ubuntu?

An decryption is the conversion of cipher data into plain data.It is not easily understood by unauthorized users.It is most important in wireless communications because wireless circuits are easier to tap than their hard-wired counterparts.An decryption algorithm uses key such as public key and private key to secure the data.

How to encrypt a file in ubuntu?

An encryption is the conversion of data into cipher text.It is not easily understood by unauthorized users.It is most important in wireless communications because wireless circuits are easier to tap than their hard-wired counterparts.An encryption algorithm uses key such as public key and private key to secure the data.

How to install gimp in Ubuntu?

GIMP is an advanced picture editor.It is used to edit,enhance and retouch photos and scans,create drawings,and make your own images.Lots of tools are available; for example, you can sharpen and resize photos,and remove dust and red-eyes.It has a large collection of professional-level editing tools and filters,similar to the ones you might find in PhotoShop.Numerous fine-control settings and features like layers, paths, masks, and scripting give you total control over your images.Many image file formats are supported including JPEG, PhotoShop(.psd), and Paint Shop Pro(.psp) files.It can also be used to scan and print photos.

How to install Thunderbird in ubuntu?

Thunderbird is a lightweight mail/news/RSS client which is based on the Mozilla suite.It supports different mail accounts such as POP, IMAP, Gmail,etc and has an integrated learning Spam filter,and offers easy organization of mails with tagging and virtual folders.Also, more features can be added by installing extensions.

How to install nitrogen in ubuntu?

Nitrogen is a graphical wallpaper utility that can be used in two modes namely browser and recall.It allows you to change the background of your desktop.

Features :

• Multihead and Xinerama support.


• Recall mode to restore wallpapers via startup script.


• Uses freedesktop.org standard for thumbnails.

How to check Battery-Status in Ubuntu?

Battery-Status is a battery monitor for laptops.It displays the current status of the battery such as charge/discharge and energy level as well as some information about the general health of the cell.

How to install Chromium in ubuntu?

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all Internet users to experience the web.Chromium serves as a base for Google Chrome, which is Chromium rebranded (name and logo) with very few additions such as usage tracking and an auto-updater system.

How to install Adobe Reader 9 in ubuntu?

Adobe Reader allows you to view navigate and print PDF files. This version adds advanced forms support,better integration with Adobe Acrobat workflows,customizable toolbars and better overall performance.

How to list all the files in the directory?

Just get to know how to list all the files in the current directory,how to list all the files in the curretnt directory with its associated directories and how to list all the files with specific shell pattern in current directory and all of its associated subdirectories.

How to install wine in ubuntu?

Wine is a compatibility layer for running Windows applications on Linux. Applications are run at full speed without the need of cpu emulation. Wine does not require Microsoft Windows, however it can use native system dll files in place of its own if they are available.It also allows executable files to run in ubuntu.

How to install psensor in ubuntu?

Psensor is a GTK+ application for monitoring hardware sensors, including temperatures and fan speeds.It displays a graph for each sensor, alerts user using Desktop Notification and Application Indicator when a temperature is too high.It is used to monitor the temperature of the motherboard and CPU sensors.It also monitores the temperature of the Hard Disk Drives, the rotation speed of the fans and the sensors of a remote computer.

How to configure the NFS Server?

NFS stands for Network File System.It is a distributed file system which is used to mount the filesystem over Ethernet network instead of transferring the root file system.It is easy to configure NFS Server to serve i386 files to i386 target,the PowerPC files to the PowerPC target and the ARM files to the ARM target.It is not necessary to have separate home directory for each and every systems that are connected in a network.

How to change password in ubuntu?

Have you ever find difficulties in changing the password in ubuntu? Don't you know where to go and change the password? Do you want your system not to be hacked? Have you ever find any operating system that doesn't support small password.Here it is the one which doesn't allow you to have small password and thus providing secure password.Following are the step by step procedure to change the password in proper manner.

How to install TFTP Server ?

TFTP stands for Trivial File Transfer Protocol.It is a simple file transfer protocol which doesn't require any authentication.It is used for downloading files over Ethernet by TheMediaEngine and RPX-CLLF bootloaders.The bootloaders can download the kernel and RAM disk files into specific RAM locations.It is capable of configuring the target board's Ethernet hardware.Booting the ARM and PowerPC targets requires TFTP server.

How to install and use minicom?

Minicom is a serial terminal emulation program which is used to issue boot commands to the target boards.It was written by Miquel Van Smoorenburg.It contains ANSI and VT100 emulation,a dialing directory and other features.Minicom is almost similar to Cutecom and it  can be called as menu driven simulation program.It is used to talk to mobile phones,routers etc.

Make kernel name same as your name

We have to compile linux kernel in order to change kernel name same as your name.

There are three stages involved in compiling linux kernel.

(1). Configuration of kernel.
(2). Building the kernel.
(3). Installing the kernel.

How to change the MAC Address on Android?

Android is a Linux-based operating system for mobile devices such as smartphones and tablet computers. In order to ammend MAC Address,first it is necessory to have unlocked SPL for the device.Before changing the MAC Address on Android,install AndroidSDk and fastboot/adb drivers.

How to download youtube videos in ubuntu?

Follow all six steps in order to download youtube video in ubuntu.