I use universal root 2.02 and my EE is rooted.
I turn debug on with previous password, it is OK. My EE is debug on

connected EE to MacBookPr, Run terminal program
issue
adb shell su -c busybox whoami
BusyBox v1.15.2 (2010-08-31 03:36:26 EDT) 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, adjtimex, ar, arp, arping, ash, awk,
basename, beep, blkid, brctl, bunzip2, bzcat, bzip2, cal, cat, catv,
chat, chattr, chgrp, chmod, chown, chpasswd, chpst, chroot, chrt, chvt,
cksum, clear, cmp, comm, cp, cpio, crond, crontab, cryptpw, cttyhack,
cut, date, dc, dd, deallocvt, delgroup, deluser, devmem, df, dhcprelay,
diff, dirname, dmesg, dnsd, dnsdomainname, dos2unix, du, dumpkmap,
dumpleases, echo, ed, egrep, eject, env, envdir, envuidgid, ether-wake,
expand, expr, fakeidentd, false, fbset, fbsplash, fdflush, fdformat,
fdisk, fgrep, find, findfs, fold, free, freeramdisk, fsck, fsck.minix,
fsync, ftpd, ftpget, ftpput, fuser, getopt, getty, grep, gunzip, gzip,
halt, hd, hdparm, head, hexdump, hostid, hostname, httpd, hush,
hwclock, id, ifconfig, ifdown, ifenslave, ifplugd, ifup, inetd, init,
insmod, install, ionice, ip, ipaddr, ipcalc, ipcrm, ipcs, iplink,
iproute, iprule, iptunnel, kbd_mode, kill, killall, killall5, klogd,
last, length, less, linux32, linux64, linuxrc, ln, loadfont, loadkmap,
logger, login, logname, logread, losetup, lpd, lpq, lpr, ls, lsattr,
lsmod, lzmacat, lzop, lzopcat, makedevs, makemime, man, md5sum, mdev,
mesg, microcom, mkdir, mkdosfs, mkfifo, mkfs.minix, mkfs.vfat, mknod,
mkpasswd, mkswap, mktemp, modprobe, more, mount, mountpoint, msh, mt,
mv, nameif, nc, netstat, nice, nmeter, nohup, nslookup, od, openvt,
passwd, patch, pgrep, pidof, ping, ping6, pipe_progress, pivot_root,
pkill, popmaildir, poweroff, printenv, printf, ps, pscan, pwd,
raidautorun, rdate, rdev, readahead, readlink, readprofile, realpath,
reboot, reformime, renice, reset, resize, rm, rmdir, rmmod, route,
rtcwake, run-parts, runlevel, runsv, runsvdir, rx, script,
scriptreplay, sed, sendmail, seq, setarch, setconsole, setfont,
setkeycodes, setlogcons, setsid, setuidgid, sh, sha1sum, sha256sum,
sha512sum, showkey, slattach, sleep, softlimit, sort, split,
start-stop-daemon, stat, strings, stty, su, sulogin, sum, sv, svlogd,
swapoff, swapon, switch_root, sync, sysctl, syslogd, tac, tail, tar,
tcpsvd, tee, telnet, telnetd, test, tftp, tftpd, time, timeout, top,
touch, tr, traceroute, true, tty, ttysize, tunctl, udhcpc, udhcpd,
udpsvd, umount, uname, uncompress, unexpand, uniq, unix2dos, unlzma,
unlzop, unzip, uptime, usleep, uudecode, uuencode, vconfig, vi, vlock,
volname, watch, watchdog, wc, wget, which, who, whoami, xargs, yes,
zcat, zcip