it's what i've done but it display me a lot of errors /home/user/bin/EFF-1.0.5: line 72: zenity: not found /home/user/bin/EFF-1.0.5: line 164: zenity: not found /home/user/bin/EFF-1.0.5: line 164: zenity: not found expr: syntax error expr: syntax error expr: non-numeric argument expr: syntax error /home/user/bin/EFF-1.0.5: line 164: zenity: not found /home/user/bin/EFF-1.0.5: line 164: zenity: not found