https://www.oraclescripts.com/tags/ls-du-commands/Recent content in Ls Du Commands on Oracle ScriptsHugo -- gohugo.ioenOracleScripts.comSat, 16 May 2026 00:00:00 +0000https://www.oraclescripts.com/post/ls-du-sorted-by-size-oracle-filesystem-full/Sat, 16 May 2026 00:00:00 +0000https://www.oraclescripts.com/post/ls-du-sorted-by-size-oracle-filesystem-full/ <h2 id="find-the-biggest-files-first-when-an-oracle-filesystem-fills-up">Find the Biggest Files First When an Oracle Filesystem Fills Up</h2> <h2 id="purpose">Purpose</h2> <p>A full Oracle filesystem is a five-alarm incident. Whether it is the <code>/u01/oradata</code> mount holding datafiles, the Fast Recovery Area filling with archive logs, or the <code>diag</code> directory overflowing with trace files, the first question is always the same: which files are consuming the space? The two commands below — taken from the shutdownabort.com DBA Quick Guides (Andrew Barry, 2007–2013, preserved via the Wayback Machine) — are the DBA's first-response toolkit for answering that question within thirty seconds on any UNIX host without any Oracle database tools.</p>