OS X is built as a multitasking, multi-user environment in which resources are "shared" between various processes and tasks, which enables simultaneous processing of tasks. Essentially, the whole ...
Normally when OS X boots you see gray and blue screens rather than the output of the system's load process. To see this process you need to manually invoke verbose mode. Topher Kessler MacFixIt Editor ...
Stop dual-booting to test other OSes. There are faster, safer ways that don't risk your data or slow down your workflow.