tmux new-session
will create a tmux session will will continue to run even after the terminal has been closed (so long as the system is still powered on).
pv -p
is the pipe-viewer command that will pipe the zipped files into the next command and the -p
flag will display a progress bar as things are unzipped.
tar xzif -
will take the output of the previous command (thanks to the -
stdin dash) and unzip the files.
tmux new-session 'pv -p *.tgz | tar xzif -'