Monthly Archives: January 2012

What does dereference mean?

A symbolic link is a file that refers to another file (a target file) without pointing directly to the target file: It is a reference to the target file. To dereference a symbolic link means to follow the link to … Continue reading

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The local Builtin

You can use the local builtin only within a function. This builtin causes its arguments to be local to the function it is called from and its children. Without local, variables declared in a function are available to the shell … Continue reading

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