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The SysRq / Print screen commands often share the same key. SysRq was used in earlier computers as a "panic" button to recover from crashes. The Print screen command typically captures the entire screen and sends it to the printer.

The Break/Pause key no longer has a well-defined purpose. Its origins go back to teletype users, who wanted a key that would temporarily interrupt the communications line. The Break key can be used by software in several different ways, such as to switch between multiple login sessions, to terminate a program, or to interrupt a modem connection. In programming, especially old DOS-style BASIC, Pascal and C, Break is used (in conjunction with Ctrl) to stop program execution. In addition to this, Linux and variants, as well as many DOS programs, treat this combination the same as Ctrl+C. On modern keyboards, the break key is usually labeled Pause/Break. In most Windows environments, the key combination Windows key+Pause brings up the system properties.

- from Wikipedia

The scroll lock key is a remnant from the original IBM PC keyboard. In the original design, scroll lock was intended to modify the behavior of the arrow keys. When the scroll lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor. In this usage, scroll lock is a modifier key like Alt and Shift (which modify the function of other keys) and, more specifically, a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is released. Today, this particular use of scroll lock is rare. Only a few modern programs still honor this behavior, such as Microsoft Excel (in the behavior of arrows — when scroll lock is on, the selection does not move), Lotus Notes and Forté Agent. In modern GUI environments, scrolling is usually accomplished using means such as scrollbars or scroll wheels. Therefore scroll lock can be regarded as a defunct feature in almost all modern programs and operating systems; some keyboards lack scroll lock altogether.

Scroll lock has fallen into such extremely infrequent use that some of the lighter-weight Linux desktop environments, such as Xfce, don't support it at all.

- also Wikipedia

In the Opera web browser the scroll lock key plays an important role in voice recognition.

- you guessed it, Wikipedia

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#SingleInstance force
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.

Capslock::
SetTitleMatchMode, 2
IfWinExist, Opera
{
    WinActivate
    WinWaitActive
}
else
    Run %programfiles%\Opera\opera.exe
return

+Capslock::Capslock

Originally posted by EspenAO:

I'm too old to learn any new computer tricks.

BAMAToNE: The Windows key is horrible. I much rather prefer CTRL+ESC if I need the start menu. I also do a lot of "Print Scrn", but it was the SysRq thing that makes it useless.

You suck in spacing

Originally posted by NoteMe:

MyOpera ads extra spacing

Originally posted by Espen:

Also, I'm 25 years old. I'm too old to learn any new computer tricks.