/etc/bashrc

[ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\[\e[34;1m\]\u@\[\e[0m\]\[\e[32;1m\]\H\[\e[0m\] \[\e[31;1m\]\w\[\e[0m\]]\\$ "

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转载自www.cnblogs.com/gaoyuechen/p/11933695.html