some Linux web command

wget command allows us to download files from the web via HTTP -- as if you were accessing the file in your browser.

e.g.:

wget https://assets.tryhackme.com/additional/linux-fundamentals/part3/myfile.txt

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scp command allows us to upload to or download from a machine on the network with having its IP, username and password.

uploads important.txt to ubuntu@192.168.1.30:/home/ubuntu/transferred.txt:

scp important.txt ubuntu@192.168.1.30:/home/ubuntu/transferred.txt

downloads notes.txt from ubuntu@192.168.1.30:/home/ubuntu/documents.txt notes.txt

scp ubuntu@192.168.1.30:/home/ubuntu/documents.txt notes.txt

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python3 -m http.server is used to start a simple http server that serves the files in the directory where you run the command.