[twobob]

ssh in then:

#################################################
# N O T I C E * N O T I C E * N O T I C E #
#################################################
Rootfs is mounted read-only. Invoke mntroot rw to
switch back to a writable rootfs.
#################################################
Linux kindle 2.6.26-rt-lab126 #5 Thu Sep 8 22:30:01 PDT 2011 armv6l unknown

root@kindle:root> nano /mnt/us/myts/profile (or vi for you)

export TERM=xterm
if [ -f /mnt/us/myts/.bashrc ]; then
    source /mnt/us/myts/.bashrc
fi

root@kindle:root> nano /mnt/us/myts/.bashrc (or vi)

source /mnt/us/myts/.alias
uname -a
#
export LD_LIBRARY_PATH=/mnt/us/usr/lib:/usr/lib:/lib:/mnt/us/lib
export PATH=/mnt/us/usr/local/bin:/mnt/us/usr/bin:/mnt/us/bin:/mnt/us/usr/sbin:/mnt/us/sbin:
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/mnt/us/home/root
#export LD_PRELOAD=/mnt/us/usr/lib/libz.so.1
#export SDL_VIDEODRIVER=aalib
export PERL5LIB=/mnt/us/usr/lib/perl5/5.12.4:$LD_LIBRARY_PATH:/mnt/us/usr/lib/perl5/5.12.4/
arm-unknown-linux-gnueabi

root@kindle:root> nano /mnt/us/myts/.alias (or vi)

alias ..='cd ..'
alias ls='ls -F --color'
alias ll='ls -FAlsh --color'
#
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
#
alias du='du -sh'
alias df='df -h'
alias cdz='cd /mnt/us'

Hope that helps me and others remember handy tips.

Thanks to the kindle Kindlet thread, Matan, Niluje, Knc1, Gm et al.