How can I change drive attribute or drive access so it is not read only?

For most of the commands, the Unix equivalent is given. It should be noted that Unix commands typically provide ranges of functionality and flexibility that are not approached by the equivalent DOS command, so all comparisons are approximate. For example, the DOS commands copy and xcopy are said to be equivalent to the Unix cp command, but in reality cp has much greater power than both copy and xcopy combined. On the other hand, move and ren have much more power in DOS.