How do programs run on Linux?

Ever wondered what happens when you run a program? Ever downloaded software from the Net that didn’t work, even though it may have compiled and installed correctly? If the answer to either of these questions is yes, you probably want to know more about how Linux runs programs. Even if…

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Working with file permissions on Linux.

When a user runs a program on Linux, the program runs with the same permissions as that user account. For example, if user Joe doesn’t have permission to modify the files in /etc, any program that Joe runs won’t have permission either. There’s an exception to every rule. Files that…

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