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Caution: Do not use SPACEs within filenames

Although Linux allows you to use SPACEs within filenames, it is a poor idea. Because a SPACE is a special character, you must quote it on a command line. Quoting a character on a command line can be difficult for a novice user and cumbersome for an experienced user. Use periods or underscores instead of SPACEs: joe.05.04.26, new_stuff.

If you are working with a filename that includes a SPACE, such as a file from another operating system, you must quote the SPACE