кусок .bashrc

gistfile1.sh

NONE="\033[0m"    # unsets color to term's fg color
    
# regular colors
K="\033[0;30m"    # black
R="\033[0;31m"    # red
G="\033[0;32m"    # green
Y="\033[0;33m"    # yellow
B="\033[0;34m"    # blue
M="\033[0;35m"    # magenta
C="\033[0;36m"    # cyan
W="\033[0;37m"    # white

# emphasized (bolded) colors
B_K="\033[1;30m"
B_R="\033[1;31m"
B_G="\033[1;32m"
B_Y="\033[1;33m"
B_B="\033[1;34m"
B_M="\033[1;35m"
B_C="\033[1;36m"
B_W="\033[1;37m"

# underlined colors
U_K="\033[4;30m"
U_R="\033[4;31m"
U_G="\033[4;32m"
U_Y="\033[4;33m"
U_B="\033[4;34m"
U_M="\033[4;35m"
U_C="\033[4;36m"
U_W="\033[4;37m"

# background colors
BG_K="\033[40m"
BG_R="\033[41m"
BG_G="\033[42m"
BG_Y="\033[43m"
BG_B="\033[44m"
BG_M="\033[45m"
BG_C="\033[46m"
BG_W="\033[47m"

UC=$B_W # user's color
[ $UID -eq "0" ] && UC=$B_R # root's color

export PS1="\[$U_W\][\t \d]\[$NONE\] .: \[$B_W\]\w\[$NONE\] :. (\[$B_R$UC\]\u\[$NONE\]@\h)\n\[$B_R$UC\]\\$:\[$NONE\] "
export PROMPT_COMMAND='RET=$?; if [[ $RET -eq 0 ]]; then echo -e "$G # => $RET $NONE"; else echo -e "$BG_R # => $RET $NONE"; fi;'