備份一下.bashrc

# .bashrc

# User specific aliases and functions

alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias vi='vim'
alias du='du -h'
alias df='df -h'

# Source global definitions

if [ -f \etc\bashrc ]; then
        .\etc\bashrc
fi

alias ds='du --max-depth=1|sort -n'

_my_cd() { cd $1; ls -l; };
alias cd='_my_cd'

PS1='\n${debian_chroot:+($debian_chroot)}\[\033[1;36m\]\u\[\033[1;35m\]@\[\033[1;31m\]\H\[\033[1;34m\]:\[\033[1;33m\]$PWD\[\033[1;32m\] # \[\033[0m'
ulimit -n 65535

opensuse 11.3 tested.