# phpman > man > RTACCT(8)

[RTACCT(8)](https://www.chedong.com/phpMan.php/man/RTACCT/8/markdown)                            System Manager's Manual                            [RTACCT(8)](https://www.chedong.com/phpMan.php/man/RTACCT/8/markdown)

## NAME
       nstat, rtacct - network statistics tools.

## SYNOPSIS
       Usage: nstat [ -h?vVzrnasd:t:jp ] [ PATTERN [ PATTERN ] ]
       Usage: rtacct [ -h?vVzrnasd:t: ] [ ListOfRealms ]

## DESCRIPTION
       nstat  and rtacct are simple tools to monitor kernel snmp counters and network interface sta-
       tistics.

       nstat can filter kernel snmp counters by name with one or several specified wildcards.  Wild-
       cards are case-insensitive and can include special symbols ?  and *

## OPTIONS
       -h, --help Print help

### -V, --version
              Print version

### -z, --zeros
              Dump zero counters too. By default they are not shown.

### -r, --reset
              Reset history.

### -n, --nooutput
              Do not display anything, only update history.

### -a, --ignore
              Dump  absolute  values  of  counters. The default is to calculate increments since the
              previous use.

### -s, --noupdate
              Do not update history, so that the next time you will see  counters  including  values
              accumulated to the moment of this measurement too.

### -j, --json
              Display results in JSON format.

### -p, --pretty
              When combined with --json, pretty print the output.

### -d, --scan <INTERVAL>
              Run  in daemon mode collecting statistics. <INTERVAL> is interval between measurements
              in seconds.

### -t, --interval <INTERVAL>
              Time interval to average rates. Default value is 60 seconds.

## SEE ALSO
       [lnstat(8)](https://www.chedong.com/phpMan.php/man/lnstat/8/markdown)

                                          27 June, 2007                                 [RTACCT(8)](https://www.chedong.com/phpMan.php/man/RTACCT/8/markdown)