Move the cursor to the beginning of the previous word: Opt/Alt + Left arrow. Move the cursor to the end of the next word: Opt/Alt + Right arrow. Move the cursor to the beginning of the thing: Opt/Alt + Up arrow. Move the cursor to the end of the thing: Opt/Alt + Down arrow. Deletes the pervious word: Opt/Alt + Delete. Select the previous character: Shift + Left arrow. Select the next character: Shift + Right arrow. Select the previous line of text: Shift + Up arrow. Select the next line of text: Shift + Down arrow. Select the text to the beginning of the current word: Opt/Alt + Shift + Left arrow. Select the text to the end of the current word: Opt/Alt + Shift + Right arrow. Select the text before the cursor to the start of a thing: Opt/Alt + Shift + Up arrow. Select the text after the cursor to the end of a thing: Opt/Alt + Shift + Down arrow. Move the cursor to the beginning of the current line: Cmd/Ctrl + Left arrow. Move the cursor to the end of the current line: Cmd/Ctrl + Right arrow. Move the cursor to the start of a thing: Cmd/Ctrl + Up arrow. Move your cursor to the end of a thing: Cmd/Ctrl + Down arrow. Delete the line to the left of the cursor: Cmd/Ctrl + Delete. Select the text before the cursor: Cmd/Ctrl + Shift + Up arrow. Select the text before the cursor on the current line: Cmd/Ctrl + Shift + Left arrow. Select the text after the cursor on the current line: Cmd/Ctrl + Shift + Right arrow. Select the text after the cursor: Cmd/Ctrl + Shift + Down arrow. Delete the line to the right of the cursor: Cmd/Ctrl + Shift + Delete