Here is mostly usable windows 7 keyboard shortcuts. It has few new variates of shortcuts available than previous version of windows operating system

• Win+H – Move current window to full screen
• Win+I – Restore current full screen window to normal size or minimize current window if not full screen
• Win+Shift+arrow – Move current window to alternate screen
• Win+D – Minimize all windows and show the desktop
• Win+E – Launch Explorer with Computer as the focus
• Win+F – Launch a search window
• Win+G – Cycle through gadgets
• Win+L – Lock the desktop
• Win+M – Minimize the current window
• Win+R – Open the Run window
• Win+T – Cycle through task bar opening Aero Peek for each running item
• Win+U – Open the Ease of Use center
• Win+Space – Aero Peek the desktop
• Ctrl+Win+Tab – Open persistent task selection window, roll mouse over each icon to preview item and minimize others

As per the Windows Users rating here i have listed Top 5 backup utilities for windows platform. Do share your backup tool in comment section.

Carbonite

Mozy (Freeware)

Acronis

SyncBack (Freeware)

Cobian Back Tool (Freeware)

There are lots of differences between windows XP and Windows Vista. First Visible difference is interface. XP’s Luna interface was state-of –the-art and it was more than five years ago. Vistas Aero Interface enables some slick three dimensional programs switching on your virtual desktop and it is more smooth and sleek things. Second is Windows XP have not latest working technology, Vista making the better use of new technology built in extra speed, memory to good work, more secure, loads programs faster, anti-spy ware and anti-phishing in Windows Firewall.

It is safely for web browsing and managing for all digital media. In XP, video card is up to snuff and visual display is not enough. But vista includes new versions of Windows Movie maker, Windows Media Player, Windows Photo Gallery, Internet Explorer, Windows Mail and Windows DVD Maker programs. The Aero basic interface in 3D Video card looks better than Windows XP and it is highly ended graphics processing for the aero visual display.