- It's like English — nouns, verbs etc.
- Designed to be readable
Including C C++ perl python PHP ruby bash sh csh tcl assembly awk elisp script-fu postscript OOBasic
plus some questionable but still turing-complete languages like make tex sendmail.cf
and a few that aren't installed by default: java (OOo, tomcat), C# (f-spot, beagle, tomboy), haskell (xmonad, darcs), erlang (ejabberd), objective-C (gnustep)
plus languages available to program in but you probably don't run any programs written in them: Fortran, OCaml, zsh