I'm a new Mac user with one MacBook (my primary computer) and several PCs (the rest of my family and work machines) in my home. I want to get a 1-2TB external hard drive that I can use for automated Time Machine backups and for manually backing up and transferring files between the Mac and all the PCs. I'm assuming there is a way to partition a drive so it can do both, but I am unclear on the different file systems as well as how Time Machine is different than standard manual backups. What is the best way to set up a new drive in order to do this. I have seen some of steps online in pieces, but would love to get steps from someone how has done this before I get the drive and Time Machine configured. Thanks!