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How to freeze and lock your Linux system and why you would want to

By Sandra Henry-Stocker

How you freeze and “thaw out” a screen on a Linux system depends a lot on what you mean by these terms. Sometimes “freezing a screen” might mean freezing a terminal window so that activity within that window comes to a halt. Sometimes it means locking your screen so that no one can walk up to your system when you’re fetching another cup of coffee and type commands on your behalf.

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