---
name: "nmon"
section: "1"
platform: "linux"
package: "nmon"
version: "16q+debian-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nmon"
---

# nmon(1)

systems administrator, tuner, benchmark tool.

## NAME

nmon - systems administrator, tuner, benchmark tool.

## DESCRIPTION

This manual page documents briefly the **nmon** command. This manual page was written for the Debian distribution because the original program does not have a manual page.

**nmon** is is a systems administrator, tuner, benchmark tool. It can display the CPU, memory, network, disks (mini graphs or numbers), file systems, NFS, top processes, resources (Linux version & processors) and on Power micro-partition information.

## OPTIONS

**nmon** follow the usual GNU command line syntax, with long options starting with two dashes (\`-'). nmon \[-h\] \[-s \<seconds\>\] \[-c \<count\>\] \[-f **-d** \<disks\> **-t** **-r** \<name\>\] \[-x\] A summary of options is included below.

- **-h**

  FULL help information

-

  Interactive-Mode: read startup banner and type: "h" once it is running For Data-Collect-Mode (**-f**)

- **-f** spreadsheet output format \[note: default **-s300** **-c288\]**

  optional

- **-s** \<seconds\> between refreshing the screen \[default 2\]

  - **-c** \<number\> of refreshes \[default millions\]

  - **-d** \<disks\> to increase the number of disks \[default 256\]

  - **-t** spreadsheet includes top processes

  - **-x** capacity planning (15 min for 1 day = **-fdt** **-s** 900 **-c** 96)

  ## AUTHOR

nmon was written by Nigel Griffiths \<nag@uk.ibm.com\>

This manual page was written by Giuseppe Iuculano \<giuseppe@iuculano.it\>, for the Debian project (but may be used by others).