Magento – Shopping Cart

Upgrading Magento Shopping Cart By SSH Access
Upgrading is just as simple as installation. Go to the directory of the Magento
installation you wish to upgrade and run the following:
./pear mage-setup .
./pear install magento-core/Mage_All_Latest
rm -rf downloader/pearlib/cache/* downloader/pearlib/download/*
After we’ve executed the previous command, the Magento installation will be
upgraded. We’ll just need to access it at its appropriate URL, [...]

Upgrading Magento Shopping Cart By Magento Connect Manager
Once an update is available for Magento, we can load the /downloader/ directory
onto our chosen Magento installation URL. We are prompted with a login screen.

We type in our administration Username and Password for the chosen
Magento installation into the boxes, after which, we’re be allowed into the
downloader interface.
Here we [...]

change the wording “Shipping & Handling”
the wording in the header “My Cart, My Wishlist, Checkout”
The change place. translation theme of default locale: / app / design / frontend / default / default / locale / en_US / translate.csv
“Shipping & Handling” , “Your wording for this locale” “Shipping & Handling,” “Your wording for this locale”

# Linux or another UNIX-compatible operating system (Windows is also supported, but see the Known Issues section below)
# Apache Web Server (1.x or 2.x)
# PHP 5.2.0 or newer, with the following extensions/addons:
* PDO/MySQL
* MySQLi
* mcrypt
* mhash
* simplexml
* DOM
# MySQL 4.1.20 or newer
# A Sendmail-compatible Mail Transfer Agent (MTA) – Magento will connect directly to an [...]