• System summary
  • CPU usage (global)
  • Memory and swap usage
  • Uptime and load average
• JSON output
  • --json or -j prints machine-readable summary
• Rich, colored output
  • Threshold highlighting
  • Inline usage bars
  • Aligned columns
• Top processes
  • Show top N by CPU or memory
• Disk speed
  • Read/write B/s
  • Per-device detail (-I, --io-detail)
  • Adjustable sampling window (--sample-ms N)
• Disk usage
  • Total/used per mount
• Network I/O
  • Tx/Rx
• Watch/refresh mode
  • Live updates at an interval
• Human-readable units
  • KB/MB/GB
• Configurable output
  • Flags and env

Run:

o -h

for the built-in usage and examples.

• From source:

cargo install --path .

• From git:

cargo install --git https://github.com/Magnus167/o