Lesser-known UI interactions

clicking

Double click to select word under cursor

Triple click to select line

Click, then hold shift and click somewhere else to select a larger block

click and drag up half a line to select to beginning of line

click and drag down half a line to select to end

selection

shift+arrow to increase selection

shift+down to select to end of file if yore on the last line

cursor movement

alt+a right to jump to end of textarea

alt+a left to jump to beginning

control + arrows to move by words

pageup / pagedown / home / end are things

deleting

del to delete forwards

control backspace/del to delete by word

windows

click bottom right to show desktop

window managers

alt tab to switch between apps

alt l to move focus to browser url bar

macos

alt , to open preferences

browser

tab to have focus move across links on webpage

shift tab to move backwards

space to click focused button

escape to remove cursor focus