Various Linux CLI (Command Line Interface) Commands with examples and grouped by type

Estimate file space usage

• du -hd1 /file_path lists and summaries directories sizes under /file_path 1 directory deep, where:
  • -d set the reporting depth flag
  • -h set human readable format
• du -s /tmp /var lists the summary of directories /var and /tmp only, where:
  • -s set summaries

ncdu is a 'smart' version of nu. It needs to be specifically installed, e.g. sudo apt install ncdu.

• ncdu