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SAMS Teach Yourself Unix in 10 Minutes by Robert Shimonski

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Working Within the Shell

As a Unix user, you will find yourself working within the shell almost all the time. As you do, you will undoubtedly run into common issues and problems. One of the common problems was mentioned before: While working within Unix, make sure your Caps Lock button is not selected, because Unix commands are case sensitive and will not function properly if entered in the wrong case. In some situations, you could select the wrong command by using improper capitalization. Another common problem is not having the command's location listed within the PATH environment variable (covered in Lesson 16, “Modifying Your Environment”).

Follow the Path To easily understand the PATH environment variable in Unix, compare it to the PATH ...

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