Currently defined functions:
[, [[, addgroup, adduser, adjtimex, ar, arp, arping, ash, awk, base64,
basename, bash, blkid, brctl, bunzip2, bzcat, bzip2, cat, chgrp, chmod,
chown, chroot, cksum, clear, cmp, cp, crond, crontab, cryptpw, cut,
date, dd, delgroup, deluser, df, diff, dirname, dmesg, dnsd,
dnsdomainname, dos2unix, du, echo, ed, egrep, env, ether-wake, expr,
fakeidentd, false, fdisk, fgrep, find, findfs, free, ftpd, ftpget,
ftpput, fuser, getopt, grep, gunzip, gzip, halt, hd, head, hexdump,
hostname, httpd, id, ifconfig, ifdown, ifup, inetd, init, insmod, ip,
ipaddr, ipcalc, iplink, iproute, iprule, iptunnel, kill, killall,
klogd, less, ln, logger, login, logread, ls, lsmod, lsusb, lzcat, lzma,
makedevs, md5sum, mdev, mkdir, mkdosfs, mke2fs, mkfifo, mkfs.ext2,
mkfs.reiser, mkfs.vfat, mknod, mkpasswd, mkswap, modinfo, modprobe,
more, mount, mv, nc, netstat, nice, nohup, nslookup, ntpd, od, passwd,
patch, pidof, ping, ping6, pivot_root, poweroff, printf, ps, pscan,
pwd, rdate, realpath, reboot, renice, rm, rmdir, rmmod, route, sed,
sendmail, seq, sh, sha1sum, sleep, sort, split, start-stop-daemon,
stat, stty, stun-ip, sum, swapoff, swapon, sync, sysctl, syslogd, tac,
tail, tar, tee, telnet, telnetd, test, [COLOR="#B22222"]tftp[/COLOR], [COLOR="#B22222"]tftpd[/COLOR], time, top, touch,
tr, traceroute, traceroute6, true, tty, umount, uname, unix2dos,
unlzma, unxz, unzip, uptime, usleep, uudecode, uuencode, vconfig, vi,
wc, wget, which, whoami, whois, xargs, xz, xzcat, yes, zcat, zcip