Why a Deleted Linux File Can Still Consume Disk Space

Your root partition is at 100%, you ran rm on a 50GB log file, and df still reports zero free bytes. Here is how inodes, unlinked file descriptors, and kernel references keep ghost data alive, and how to recover disk space without restarting production. A critical disk alert fires on your phone. A busy database node or API host just crossed 99% disk capacity on /var . Applications begin failing…