.bashrc小技巧

alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
myrm(){ D=/rm/$(date +%Y%m%d%H%M%S); mkdir -p $D; mv -v "$@" $D && echo "moved to $D ok"; }
alias rm=myrm

rm就變成了有回收站的rm了，文件會被放到/rm中~

source .bashrc
可以讓文件修改後立即生效