For those who mostly work on terminals, GNU screen/tmux is truly a blessing. Also, if this isn't considered as cheating, Python. Now I can automate everything

For those who mostly work on terminals, GNU screen/tmux is truly a blessing. Also, if this isn't considered as cheating, Python. Now I can automate everything without worrying the quirkiness of shell scripts. My work setup hasn't changed much in the last two decades.