Usage: eselect <global options> <module name> <module options>

Global options:
  --brief                   Make output shorter
  --colour=<yes|no|auto>    Enable or disable colour output (default 'auto')

Built-in modules:
  help                      Display a help message
  usage                     Display a usage message
  version                   Display version information

Extra modules:
  bashcomp                  Manage contributed bash-completion scripts
  binutils                  Manage installed versions of sys-devel/binutils
  blas                      Manage installed BLAS implementations
  cblas                     Manage installed CBLAS implementations
  ctags                     Manage /usr/bin/ctags implementations
  editor                    Manage the EDITOR environment variable
  emacs                     Manage /usr/bin/emacs version
  env                       Manage environment variables set in /etc/env.d/
  etags                     Manage /usr/bin/etags implementations
  fontconfig                Manage fontconfig /etc/fonts/conf.d/ symlinks
  kernel                    Manage the /usr/src/linux symlink
  lapack                    Manage installed LAPACK implementations
  locale                    Manage the LANG environment variable
  modules                   Query eselect modules
  news                      Read Gentoo ("GLEP 42") news items
  nzmath                    Manage nzmath sandboxes
  pager                     Manage the PAGER environment variable
  pinentry                  Manage /usr/bin/pinentry implementation
  profile                   Manage the make.profile symlink
  python                    Manage Python symlinks
  qtgraphicssystem          Manage the system-wide active Qt Graphics System
  rc                        Manage /etc/init.d scripts in runlevels
  ruby                      Manage Ruby symlinks
  visual                    Manage the VISUAL environment variable