
  Builtin Commands <a class="group-link" href="chap-builtin-cmd.html">builtin-cmd</a>


  [I/O]           read        echo      printf
                  readarray   mapfile
  [Run Code]      source .    eval      trap
  [Set Options]   set         shopt
  [Working Dir]   cd          pwd       pushd     popd         dirs
  [Completion]    complete    compgen   compopt   compadjust   compexport
  [Shell Process] exec      X logout 
                  umask       ulimit    times
  [Child Process] jobs        wait
                  fg        X bg      X kill        X disown 
  [External]      test [      getopts
  [Introspection] help        hash      cmd/type    X caller
  [Word Lookup]   command     builtin
  [Interactive]   alias       unalias   history     X fc     X bind
X [Unsupported]   enable
