User`s manual

Moxa C Programmable RTU Controllers System Commands
A-3
"busybox --help" command:
root@Moxa:/# busybox --help
BusyBox v1.15.3 (2013-02-18 13:27:47 CST) multi-call binary
Copyright (C) 1998-2008 Erik Andersen, Rob Landley, Denys Vlasenko
and others. Licensed under GPLv2.
See source distribution for full notice.
Usage: busybox [function] [arguments]...
or: function [arguments]...
BusyBox is a multi-call binary that combines many common Unix
utilities into a single executable. Most people will create a
link to busybox for each function they wish to use and BusyBox
will act like whatever it was invoked as!
Currently defined functions:
[, [[, addgroup, adduser, arp, awk, basename, brctl, bunzip2, bzcat,
bzip2, cat, chat, chgrp, chmod, chown, chroot, clear, cp, crond,
crontab, cut, date, delgroup, deluser, depmod, df, dirname, dmesg,
dnsdomainname, du, echo, egrep, env, expr, false, fdisk, fgrep, find,
flash_eraseall, free, freeramdisk, getty, grep, gunzip, gzip, halt,
head, hostname, hwclock, id, ifconfig, ifdown, ifenslave, ifup, inetd,
insmod, ip, kill, killall, killall5, klogd, ln, login, ls, lsmod,
md5sum, mdev, mkdir, mkfifo, mknod, mktemp, modprobe, more, mount, mv,
netstat, nice, passwd, pidof, ping, poweroff, ps, pwd, reboot, renice,
rm, rmdir, rmmod, route, run-parts, sed, sleep, start-stop-daemon,
stty, su, sulogin, sync, syslogd, tail, tar, tcpsvd, telnet, telnetd,
test, tftp, top, touch, traceroute, true, udhcpc, umount, uname, vi,
which, xargs, zcat