Lock down

From BBC News | Technology | World Edition:

How open should computers be, asks Bill Thompson. In the far off past when I was a professional programmer writing software for money I relied on a variety of tools to fix the inevitable errors in my work. These tools would look at my thousands of lines of code and check that I had all my brackets and semi-colons in the right place and that I hadn't mis-spelled the names of variables or functions.

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