du -sh .Print how much memory the current folder (and everything within it) is taking up on disk.dustands for disk usage,-shasks for the info to be summarised in a human readable format.- output examples:
178M .or1.2G .(178 megabytes and 1.36 Gigabytes respectively)
lsof -i:8080- List the processes (or files) running on port 8080
lsofstands for list open files