Question

shortcut key of to open a document, to exit, to copy, to make the text bold, to underline the text

Answer 1

ctrl+A; for select all ctrl+C ; for copy ctrl+O ; alt +f4 .for Exit and select the line then click ctrl+I for text bold

Answer 2

Heya,

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Ans :

" Short Keys "

$Ctrl + O$ = For Open
$Ctrl + W$ = For Exit
$Ctrl + C$ = For Copy
$Ctrl + B$ = For Bold Text
$Ctrl + U$ = For Underline Text

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Hope It Helps
Thank You For Asking !