my (colourful) command prompt... :-)

Or, simpler, with \h instead of `uname -n`:

export PS1="\[\033[1;37m\](\[\033[1;32m\]\u@\h\[\033[1;37m\])\[\033[1;
+36m\]\$PWD\[\033[1;37m\]>\[\033[0m\] "
[download]

which shows (username@host)path>