what is drupal? and what are the reasons for using drupal?

DRUPAL :

Drupal is a flexible CMS based on the LAMP stack, with a modular design allowing features to be added and removed by installing and uninstalling modules, and allowing the entire look and feel of the website to be changed by installing and uninstalling themes.

Many additional modules and themes can be downloaded from the drupal.org website.

REASONS : 

  • Building a small simple site with static HTML pages is not difficult,and you can get a simple site up very quickly.
  • Drupal is a general purpose  CMS. If you are building a special purpose site, you might chose to use a special purpose  CMS.
  • Some  CMS software packages are expensive to purchase a license for. Some are free or have a free version, but have restrictive licenses that do not allow you to make modifications and extensions. You might prefer to use a package (like Drupal) that has a less restrictive software license, and is developed by a world-wide community.

additional information 

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How to install a drupal module using drush in ubuntu 14.04

Drush is a command line shell and Unix scripting interface for Drupal.

Drush can easily install in ubuntu using following command:

sudo apt-get install drush

we can easily install a drupal module using drush in ubuntu using following command:

drush dl module_name

for example we need to install module pathauto like

drush dl pathauto

we also multiple modules can be installed  at a time by using drush like

drush dl module_name1,module_name2,………….

drush dl pathauto,token,addtoany

To enable modules using drush in drupal like this

drush en module_name

drush en token

here token is a module name.

here i mentioned some of the useful drush commands:

dl – download a module

en – enable a module

dis – disable a module

pm- uninstall  a module

up – show update information