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env

Spoiler:

[root@kindle root]# env
HISTFILESIZE=1000
INPUTRC=/etc/inputrc
USER=root
HOSTNAME=kindle
HOME=/tmp/root
PAGER=/bin/more 
PS1=[\u@\h \W]\$ 
LOGNAME=root
TERM=vt102
PATH=/usr/local/bin:/bin:/usr/bin:/usr/sbin:/sbin:/usr/local/python/bin
DISPLAY=:0.0
LANG=en_US.UTF-8
HISTSIZE=1000
SHELL=/bin/sh
LC_ALL=en_US.UTF-8
PWD=/var/tmp/root
EDITOR=/bin/vi

ls /usr/bin

Spoiler:

[root@kindle root]# ls /usr/bin/
[               getconf         pmic            tee
[[              getent          preload         test
awk             getopt          preload_static  time
basename        hd              printf          timeout
clear           head            pwdx            top
cmp             i2cutil         rename          tr
cut             id              renice          tset
cyttspfwloader  ifplugd         reset           tsl
ddate           kbd_mode        rev             tty
dirname         kdb             rpcinfo         ul
dosattr         kdb_static      rtcwake         unzip
du              killall         script          uptime
env             ldd             seq             volname
evtest          less            setfdprm        waitforkey
expr            line            setsid          wc
fdformat        logger          setterm         which
find            logname         showkey         write
flock           md5sum          showlog         xargs
free            mkfifo          sort            yes
fusermount      nc              tail
gasgauge-info   parselog        tailf