set prompt="`whoami`@`uname -n` `pwd` ! # "
alias a alias

a  promptset    'set prompt="`whoami`@`uname -n` `pwd` ! # "'
a  cd           'set old=$cwd; chdir \!*;'promptset
a  cdl           'set old=$cwd; chdir \!*;l;'promptset

#alias ls 'ls -tr --color=auto --time-style=long-iso'
alias ls "ls -tr --color=auto --time-style '+%Y-%m-%d %H:%M:%S'"
alias ll 'ls -ltrh'
alias l 'ls -ltr'
alias lname '\ls -l --color=auto --time-style=long-iso'

alias cp 'cp -i --preserve=timestamps'
alias rm 'rm -i'
alias u 'cd ..'
alias 2u 'cd ../..'
alias 3u 'cd ../../..'
alias 4u 'cd ../../../..'