Linux

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\User> busybox.exe
BusyBox v1.19.1_18_0-306-geb28f73.git (2011-01-16 17:56:02 ICT) multi-call binar
y.
Copyright (C) 1998-2009 Erik Andersen, Rob Landley, Denys Vlasenko
and others. Licensed under GPLv2.
See source distribution for full notice.

Usage: busybox [function] [arguments]...
   or: busybox --list[-full]
   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:
        [, [[, ar, ash, awk, base64, basename, bash, bbconfig, bunzip2, bzcat,
        bzip2, cal, cat, catv, cksum, cmp, comm, cp, cpio, cut, date, dc, dd,
        diff, dirname, dos2unix, echo, ed, egrep, env, expand, expr, false,
        fgrep, find, fold, getopt, grep, gunzip, gzip, hd, head, hexdump, kill,
        killall, length, ls, lzcat, lzma, lzop, lzopcat, md5sum, mkdir, mv, od,
        pgrep, pidof, printenv, printf, ps, pwd, rm, rmdir, rpm2cpio, sed, seq,
        sh, sha1sum, sha256sum, sha512sum, sleep, sort, split, strings, sum,
        tac, tail, tar, tee, test, touch, tr, true, uncompress, unexpand, uniq,
        unix2dos, unlzma, unlzop, unxz, unzip, usleep, uudecode, uuencode, vi,
        wc, wget, which, whoami, xargs, xz, xzcat, yes, zcat


C:\Documents and Settings\User>busybox.exe bash
$ for X in 1 2 3 ; do echo $X ; done
1
2
3

$ echo "Asdf" | sed 's/s/huh/g'
Ahuhdf

$ exit

C:\Documents and Settings\User>