I was watching a Linux tutorial where the keystrokes where displayed. I cannot identify the key matching this:
What key is it?
Edit: It is from this tutorial.
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It's 'Broken Circle with Northwest Arrow' Unicode U+238B UTF-8 E2 BE BB
It's often used as the symbol for the Esc key - https://en.wikipedia.org/wiki/Esc_key#Symbol and even has its own ISO Standard - https://commons.wikimedia.org/wiki/File:ISOIEC-9995-7-029--ISO-7000-2029--Symbol-for-Escape.svg
It seems symbols like this are mainly used by Apple. They are all valid unicode. It enables menu shortcuts to be displayed easily, e.g.
After many comments on the topic, I doubt Apple were instrumental in the adoption of this symbol, they merely started using it once it was. Menus used to use the older
glyph back in the day.
It is a symbol used for Escape on some Apple inspired keycap sets for computer keyboards. For example Drop Biip
The symbol appears on some commercial keyboards, such as the Matias Tactile Pro 3
It's also an ISO standard
ISO 7000 - 2029
Standard : ISO 7000 — Graphical symbols for use on equipment — Registered symbols
Committee :ISO/TC 145/SC 3ICS : 01.080.20
Reference No : 2029
Registration date : 2004-01-15
Status : Active
Title/Meaning/Referent : Escape Function/description : To identify the control to cancel the current action or exit from the current state.
This symbol is part of collection(s)
ISO 7000 Graphical symbols for use on equipment
ISO 7000 / IEC 60417 Graphical symbols for use on equipment
Restricted application : No
User population :
Orientation Dependent: No
Referenced in : ISO/IEC 9995-7, ISO/IEC 13251, ISO 3767-1, ISO 6405-1