Similar to Ping

Nm (Unix)

Nvi

Od (Unix)

OpenPKG

OpenRC

OpenSSH

OpenVPN

Pack (software)

Terminal pager

Passwd

Pgrep

Pkill

PlayOnLinux

Portmap

ProFTPD

Ps (Unix)

PWD

Pwd

Radioss

Rcp (Unix)

Berkeley r-commands

Roff (software)

Remote Shell

SAMtools

Sbase

ScummVM

Sha1sum