Thanks to the following people who have provided advice, errata, and examples for this document.
Paul D. Smith <[email protected]> and Christophe Martin <[email protected]> both pointed out that I had the quotes the wrong way round in the bash $PROMPT_COMMAND. Getting them right means variables are expanded dynamically.
Paul D. Smith <[email protected]> suggested the use of \[...\] in the bash prompt for embedding non-printing characters.
Christophe Martin <[email protected]> provided the solution for ksh.
Keith Turner <[email protected]> supplied the escape sequences for Sun cmdtool and shelltool.
Jean-Albert Ferrez <[email protected]> pointed out some inconsistencies in the use of "PWD" and "$PWD", and in the use of "\" vs "\\".
Bob Ellison <[email protected]> and Jim Searle <[email protected]> tested dtterm on HP-UX.
Teng-Fong Seak <[email protected]> suggested the -s option for hostname, use of `pwd`, and use of echo under csh.
Trilia <[email protected]> suggested examples in other languages.
Brian Miller <[email protected]> supplied the escape sequences and examples for hpterm.
Lenny Mastrototaro <[email protected]> explained the Irix terminals' use of xterm escape sequences.
Paolo Supino <[email protected]> suggested the use of \\$ in the bash prompt.