File management
df -h
- report file system disk space usage and mount points (-h - human readable)du -h
- report disk usage at the directory or file level (eg. du -h /home/user)du -sh
- display only a total for each argument (eg. du -sh /home/user) -s - summarizedu --max-depth=1 -h /home/user
- print the total for a directory at depth 1