zenity --separator 
 --list --checklist --multiple --width=500 --height=400 --text Please\ choose\ language\ packs\ to\ install
(you\ can\ choose\ more\ than\ one) --column  --column  aa aa af af am am an an ar ar as as ast ast az az be be bem bem ber ber bg bg bn bn bo bo br br bs bs ca ca crh crh cs cs csb csb cv cv cy cy da da de de dv dv dz dz el el en en eo eo es es et et eu eu fa fa fi fi fil fil fo fo fr fr fur fur fy fy ga ga gd gd gl gl gu gu gv gv ha ha he he hi hi hne hne hr hr hsb hsb ht ht hu hu hy hy ia ia id id ig ig is is it it ja ja ka ka kk kk kl kl km km kn kn ko ko ks ks ku ku kw kw ky ky la la lb lb lg lg li li lo lo lt lt lv lv mai mai mg mg mhr mhr mi mi mk mk ml ml mn mn mr mr ms ms mt mt my my nan nan nb nb nds nds ne ne nl nl nn nn nso nso oc oc om om or or os os pa pa pap pap pl pl ps ps pt pt ro ro ru ru rw rw sa sa sc sc sd sd se se shs shs si si sk sk sl sl so so sq sq sr sr ss ss st st sv sv sw sw ta ta te te tg tg th th ti ti tk tk tl tl tlh tlh tr tr ts ts tt tt ug ug uk uk ur ur uz uz ve ve vi vi wa wa wae wae wo wo xh xh yi yi yo yo zh-hans zh-hans zh-hant zh-hant zu zu