/usr/lib/hadoop/sbin/start-dfs.sh

Apache Hadoop is a framework for distributed processing of large data sets across clusters of computers.

From hadoop-3.5 3.5.0-r4 (enterprise-packages), captured 2026-11-09 by running start-dfs.sh --help (exit 0). permalink

Usage: start-dfs.sh [-upgrade|-rollback] [-clusterId]

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.