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Good News for Windows Users
We have good news about UNIX directories for you experienced Windows users who occasionally use commands in a DOS window. They work almost exactly the same as Windows directories do. Actually, it’s the other way around: A guy named Mark added directories to DOS back in 1982 and ripped off . . . er, emulated the way UNIX did things — with a few confusing changes, of course.Briefly, Windows users should know the following information about UNIX directories:
All those backslashes ( \ ) you learned to type in Windows turn into regular slashes ( / ) in UNIX. For some reason, Mark decided that DOS slashes should lean backward. We’re sure that he had a very good reason, of course — maybe the / key on his keyboard was broken.
The UNIX cd (change directory) command works (more or less) like the DOS window CD command; remember not to capitalize it in UNIX.
The UNIX command for making a directory is mkdir rather than the DOS window MD command. To remove a directory in UNIX, you use the rmdir command rather than the DOS window RD command. Don’t capitalize these commands, either.
As always, UNIX believes that uppercase and lowercase letters have nothing to do with each other. Because the two types of letters are completely different, be sure to use the correct capitalization when you type directory names and filenames.
If you understand directories and paths intuitively from your vast experience with PCs, skip to the sidebar “Getting the big picture,” later in this chapter.
