linux下定义颜色提示符

#!/bin/bash# This should go in your ~/.bashrc file# Define ANSI color sequencesNORMAL="\[\033[0m\]"WHITE="\[\033[0;37;40m\]"MAGENTA="\[\033[0;35;40m\]"BRIGHTBLUE="\[\033[1;34;40m\]"BRIGHTWHITE="\[\033[1;37;40m\]"BRIGHTMAGENTA="\[\033[1;35;40m\]"# Find out if we are rootif [ $UID -eq 0 ] ; then   # The # character serves as an extra reminder that I am root   SYM='#'else   SYM='-'fi# Define the actual prompt# This is split up for easier reading within this bookP1="$MAGENTA$SYM$BRIGHTMAGENTA-$BRIGHTBLUE($WHITE\u$MAGENTA@$WHITE"P2="\h$BRIGHTBLUE)$BRIGHTMAGENTA-$BRIGHTBLUE($BRIGHTWHITE\w$BRIGHTBLUE"P3=")$BRIGHTMAGENTA-$MAGENTA$SYM$NORMAL\n$MAGENTA$SYM$BRIGHTMAGENTA-"P4="$BRIGHTBLUE($BRIGHTWHITE\$?$BRIGHTBLUE)$MAGENTA>$NORMAL "PS1="$P1$P2$P3$P4"