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Text-Terminals on Linux

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13.16 Locks

There are various types of Locks. One is the Locked keyboard due to flow control. See Keyboard Lock Another lock {Feature Lock} is that which prohibits the host computer from changing the terminal set-up by sending certain escape sequences to the terminal. Placing such a lock may result in unexpected behavior as application programs send escape sequences to the terminals that are ignored. Not all set-up parameters lock. Unless you have a good reason to do so, you should not enable such locking.

A Function Key lock will prohibit the computer from redefining what a programmable function key sends. You may want to use this if you have something important programmed into the function keys.

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