How to supress output from tar and unzip commands?

I have the below two commands in my script.

tar -xf hello.tar
unzip -o tempp.zip

When i run the script i see the below on my standard out.

How can i suppress output coming from both the tar and unzip on my standard output.

Do you see them on standard output, or do you see them on your terminal? I suspect they're actually going to standard error, which can be diverted.

command 2>/dev/null

I do not know how to differentiate between terminal and standard output.

With your suggestion I was able to suppress tar output

But, unzip -o tempp.zip 2>/dev/null still prints the output like below which i wish to avoid.

man unzip :

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