MAC - access folders that contain space in Terminal, e.g. My Folder

1. go to particular directory, cd "My Folder" or

2. at the root directory, cd + space, then drag the folder icon from the Finder into the Terminal window.

MAC - cut & paste; copy & paste

Cut and paste can be done in Lion.

1. click the file at the original folder, then cmd+c;
2. go to destination, then option +cmd+v (without option, it performs copy & paste)