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Remember to set environment varible:

  (csh/tcsh) 				(sh/bash)
  setenv XMODIFIERS @im=xcin		export XMODIFIERS='@im=xcin'
  setenv GTK_IM_MODULE xim		export GTK_IM_MODULE=xim
  setenv QT_IM_SWITCHER imsw-multi	export QT_IM_SWITCHER=imsw-multi
  setenv QT_IM_MODULE xim		export QT_IM_MODULE=xim

and set LANG, LC_CTYPE to one of zh_TW.UTF-8, zh_TW.Big5 value:
  	(csh/tcsh)			(sh/bash)
Big5:  	setenv LC_CTYPE zh_TW.Big5	export LC_CTYPE=zh_TW.Big5
  	setenv LANG zh_TW.Big5		export LANG=zh_TW.Big5
or
UTF-8:
	setenv LC_CTYPE zh_TW.UTF-8	export LC_CTYPE=zh_TW.UTF-8
	setenv LANG zh_TW.UTF-8		export LANG=zh_TW.UTF-8

Finally, to start the GCIN input method daemon, use command:

  exec gcin &

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