Ubuntu: Keyboard Shortcuts

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Linux: your grandma can do it.

Most of the people thinks that Linux is most difficult Operating system to use. I want to say that it is in your mind just give it a try and you will forget other OS forever. Ubuntu is the most user friendly, Linux based Operating system.

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Man Command

The first command(cmd) that is most important is man command. man cmd is an interface to the on-line reference manuals.
Terminal is like a command prompt in window. Terminal provides a command line interface.
Open a terminal and write  man with the topic name or cmd name eg. man fprintf, man man

It will provide every information about that topic or cmd(command).

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History

Linux is a Unix based operating system. Linux is developed by Linus Torvalds and first version of Linux kernel is released on 5th oct 1991.

Linux was originally developed for Intel x86-based personal computers but now it has been ported to more computer hardware platforms than any other operating system. Linux is used on desktops, server,  and in supercomputers. 10 fastest supercomputer runs on some variant of Linux. Linux also runs on embedded systems such as mobile phones, tablet computers, network routers, televisions and video game consoles. The Android system in wide use on mobile devices is built on the Linux kernel.

Linux is a free and open source software. Free means you have not to pay for this Operating system like window. Open source means you are free to used, modified, and distributed source code, commercially or non-commercially by anyone under licenses such as the GNU General Public License.

Linux come with a lot variety of desktop environments:-

1. Gnome

2. kde

3. gnome-shell

4. unity

5.xfce and many more

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Linux Commands

Next cmd is sudo cmd

sudo cmd means "take actions as superuser".

When you type sudo before a cmd it will provide you the super user (root) powers.

eg open terminal type 

sudo shutdown -h now after hitting enter it will ask for password enter the password of root user and your system will shutdown. 

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How to install software in ubuntu

Installing softwares in ubuntu is very easy

1. Open the software center and find the software from a stack of software's and hit the install
button. Your software is installed.
2. If you wann do it in hard way open a terminal and write the following command(cmd) in terminal
sudo apt-get install chrome (for ubuntu)
yum install chrome (for rhce and fedora)
3. You can also install software from synaptic package manager in Ubuntu.
4. you can install software from http://www.getdeb.net/ for debian based linux
In all of the above method you need a working internet connection.

There is also other way to install software

You can download software from internet if it is a .deb (for debian based) or.rpm(for reh hat based) package then you can install them by double clicking on them.

If this is a zip file or tar file then extract them and their is a file in it readmeread that file follow the instructions. ther are simple three steps

1. ./configure

2. make

3. make install

and your software is installed.

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How to update ubuntu

Open up terminal and write down the following commands
1.sudo apt-get update
It will check for packages whose updates are available
2. sudo apt-get upgrade
It will install the updates.

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PHP

PHP is a programming language that is used for developing dynamic web pages.

Defination- PHP is a embedded server site scripting language originally designed for web development to produce dynamic web pages.

Embedded means we can write PHP code inside HTML.

Server-side means it executes on server. 

PHP stands for PHP: Hypertext Preprocessor. 

PHP is available free of cost under the PHP license.

You can download it from php.net

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Ubuntu

I am a big fan of Linux operating system. I am using Ubuntu from the past 4 years and it's amazing. I faces some difficulty some time but these difficulty is very small in comparison of Linux qualites.
Linux is very fast, secure and free.  In linux there is not so much software available like window but you can do anything with these available software. Linux is lacking in the field of gaming but now lots of free and paid games are available in linux. If you are a game lover then there is lots of games for you , if you are a software developer than lots of IDE available for you. You can develop .Net applications with mono and If you are a designer then there is lot of softwares for you. There are two software to run window application in linux one is  play on linux and  other is wine. So, Dive in the world of linux.   

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Welcome

Hello Friends,
I am Devinder Yadav welcome all of you on my blog. That blog is related to Information technology(IT). I  love to read about new technologies and what is happening in IT Sector. From now I will publish daily updates on latest technologies. That blog is not only related to Tech NEWS. I will also publish some other things like PHP SEO Linux and etc. So, keep updated yourself with new technologies 

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