How to find and launch programs
After being away a while from Ubuntu I installed 12.10 on a laptop. Now, how can I see what programs are on my machine and launch them? I'm interested in finding the Ubuntu equivalent of the Start>All programs in Windows or the Applications window or Dock in Mac OSX. Otherwise I don't know what tools are available and then how to launch them. Thanks.
Dell Mini 10V 2GB RAM, 32GB SSD, Ubuntu 12.10. MacBook Pro 8.0MB RAM, 500GB HD, MacOS 10.8.2, Dell Inspiron 11z Windows 7 HP