This made me wonder what else i've been missing on.
Customised prompt, showing HOSTNAME, LOGNAME, current directory, git status, user-level indicator: ("centrepoint [jvs] /home/jvs/wrk/horizon/src [dev*] > ") The user-level indicator shows '> ' for a normal user, and '# ' for the root user, though the LOGNAME also changes from 'jvs' to 'root'.
Git-Branch/Status indicator. ('Am I in the "dev" branch, or still in "master"?')
Various aliases.
Various environmental variables. (personalised $PATH, etc)
Various pieces of configuration data held in environmental variables. (selected printer, newsgroup server and login info, personalised text editor, etc)
Local timezone setting.