# Mark something

command+z : undo the action you just started

command+whitespace : triger search function, and then you can search "screenshot"

command+click the link you want to go, and you will just go to the link

command+Tab : switch the different windows

in terminal, when you want to "take check", just click the "up" button, and click "enter" button

`Cmd+Shift+P` (Mac) to open the Command Palette, then type "Terminal" and select "View: Toggle Integrated Terminal". This will open or close the <mark style="color:purple;">terminal panel.</mark>

<mark style="color:purple;">How to open "picture in picture"?</mark>

<mark style="color:purple;">With two fingers click in the video of YouTube, then you can see "Loop"--> two finger click the video again --> click "</mark>Enter Picture in Picture"

<figure><img src="https://206398537-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F7fGxYFvZDLzWe4Z2ZOfR%2Fuploads%2FT4921LJLWdGKq7hpbBNn%2FScreenshot%202023-06-09%20at%2012.24.37%20am.png?alt=media&#x26;token=289b3be5-9357-456d-861d-c3761a9ad801" alt="" width="375"><figcaption></figcaption></figure>

command+shift+3 -->screenshot full screen

command+shift+4 -->screenshot part screen