how to run batch mode in QuartusII

I want to run some batch command in QuartusII, but the sample QuartusII command is fail to run:

> quartus_sh --qhelp

/opt/quartusII_10.0_local/quartus/bin/quartus_sh: SCRIPT_PATH=/opt/quartusII_10.0_local/quartus/bin: is not an identifier

how to deal with it?