Are there any shortcuts for "home" and "end" keys on Mac?

“Home” button on a Mac keyboard: Fn + Left Arrow

The ‘fn’ key on the Mac keyboard is the function button, hitting that with the left arrow will immediately jump to the very top of a page in the active application of Mac OS. This is the exact same function as hitting the “Home” button on a Windows PC.

“End” button on a Mac Keyboard: Fn + Right Arrow

HSKang Said:

"If I want to move a cursor to the beginning or the end on a single line, how would I do?"

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On a single line: Press the "up" key or the "down" key, to go to the "beginning" or the "end", respectively.