Bone-Headed IT Mistakes
snydeq writes "PCs preconfigured with stone-age malware, backups without recovery, Social Security numbers stored in plain view of high school students — Andy Brandt gives InfoWorld's Stupid Users series a new IT admin twist. Call it fratricide if you will, but getting paid to know better is no guarantee against IT idiocy, as these stories attest."
df is used to calculate free disk space.