probably I miss typed something, I just tried again and I´m getting this:
root@gbquad:~# busybox --help
BusyBox v1.27.2 (2018-05-01 10:05:01 CEST) multi-call binary.
BusyBox is copyrighted by many authors between 1998-2015.
Licensed under GPLv2. See source distribution for detailed
copyright notices.
Usage: busybox [function [arguments]...]
or: busybox --list
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, ar, arp, arping, ash, awk, base64, basename, blkid, bunzip2, bzcat, cat, chattr, chgrp, chmod,
chown, chroot, chrt, clear, cmp, cp, cttyhack, cut, date, dc, dd, delgroup, deluser, devmem, df, diff, dirname, dmesg,
dnsdomainname, dos2unix, du, echo, egrep, eject, env, ether-wake, expr, factor, fatattr, fbset, fgrep, find, fsck,
fstrim, fuser, getopt, getty, grep, groups, gunzip, gzip, hdparm, head, hostname, i2cdetect, i2cdump, i2cget, i2cset,
id, ifconfig, ifdown, ifplugd, ifup, inetd, inotifyd, ionice, ip, ipneigh, kill, killall, killall5, klogd, less, link,
ln, loadkmap, logger, logname, logread, losetup, ls, lsattr, lsof, lspci, lsusb, lzcat, md5sum, mdev, mkdir, mkfifo,
mknod, mkswap, mktemp, more, mount, mpstat, mv, nc, netstat, nice, nl, nohup, nproc, nslookup, ntpd, od, partprobe,
paste, patch, printf, pwd, rdev, readlink, readprofile, realpath, renice, reset, resize, rfkill, rm, rmdir, route,
run-parts, sed, seq, setconsole, setlogcons, setserial, setsid, sh, sha1sum, sha256sum, sha3sum, sha512sum, shred, shuf,
sleep, sort, start-stop-daemon, stat, strings, stty, sulogin, swapoff, swapon, switch_root, sync, sysctl, syslogd, tail,
tar, taskset, tee, telnet, telnetd, test, tftp, tftpd, time, timeout, top, touch, tr, truncate, tty, tunctl, udhcpc,
uevent, umount, uname, uniq, unix2dos, unlink, unxz, unzip, uptime, users, usleep, vi, volname, w, watch, wc, which,
who, whoami, whois, xargs, xxd, xzcat, yes, zcat