The first two towers were introduced at CeBIT 2009, with the first to ship with Windows 7 being the HP Envy F2-A100, a 1.83 GHz, dual-core, dual-memory system with a 1.3GB DDR3 RAM. The HP Envy F2-A60, also a dual-core, dual-memory system, with a 1.33 GHz, has a 2GB DDR3 RAM. The first laptops to ship with Windows 7 were the HP Envy 12 and 15, with production starting in July 2009. The HP Envy 12, a 12.1-inch netbook, has a 2.4 GHz, Intel Atom D510 1.86-GHz dual-core processor, 1GB DDR3 RAM, Intel GMA X4500 integrated graphics, and a 7-cell battery. The HP Envy 15 is a 15.5-inch laptop, with a 3.08 GHz, Intel Core i5 3570, 6GB DDR3 RAM, Intel HD graphics 3000, and an 80GB hard drive. The first netbooks to ship with Windows 7 were the Dell Inspiron 10 and 11, with production starting in April 2009. The first netbooks to ship with Windows 7 were the Lenovo IdeaPad A2 and B2, with production starting in October 2009. The first enterprise PCs to ship with Windows 7 were the Lenovo ThinkCentre Edge E3000 and E4000, with production starting in July 2010.
In February 2011, Microsoft announced that it would provide a free upgrade to Windows 7 for those that installed Windows Vista in order to facilitate the upgrade. As of October 2013, there were more than 800 million active Windows 7 users worldwide, with 70 million of those being personal computers. The software runs on all x86 and x64 processors and chipsets supporting the PAE and NX (Intel) or OSXPAE (AMD) paging features. The first two models of the HP Envy to ship with Windows 7 were the F2-A100 and F2-A60, with production starting in April 2009. The first two models of the Vostro to ship with Windows 7 were the V220 and V220SE.
In December 2009, Microsoft announced that Windows 7 would ship in all of the first-tier retail markets, Australia, Canada, France, Germany, Hong Kong, Japan, the Netherlands, New Zealand, Spain, Switzerland, the United Kingdom, the United States, and Mexico. By April 2010, Windows 7 had been released to all countries that had not received it, except for the United States, Brazil, Israel, Sweden, Denmark, Norway and Switzerland.
This is a free online book (eBook) about Linux, that teaches you Linux the right way, step-by-step and using the right tools and approach. The book covers all the aspects of Linux, including Installation, Setup, and Basic System Administration. You’ll learn to install and configure a server, desktop, and file system. You’ll also learn about the Linux OS, The Linux Kernel, and Linux File System. This book will teach you how to use Linux to write programs and scripts in Bash shell, C, C++, Java, Python, and PHP.
I know that this is a good collection of free Linux eBooks. But this could always be made better. If you have some other resources that could be helpful in learning Linux, do share with us. Please note to share only the legal downloads so that I can update this article with your suggestion(s) without any problem. 827ec27edc