Mac equivalents to Windows Home and End are Cmd-ArrowUp and Cmd-ArrowDown. Fn-Left and Fn-Right are Mac-flavored Home/End, which don't move the text cursor, but scroll the text container, keeping cursor in its original place (although there's no distinction when viewing documents, e.g. in a web browser).
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Mac equivalents to Windows Home and End are Cmd-ArrowUp and Cmd-ArrowDown. Fn-Left and Fn-Right are Mac-flavored Home/End, which don't move the text cursor, but scroll the text container, keeping cursor in its original place (although there's no distinction when viewing documents, e.g. in a web browser).