what does this command mean:
 

what does this command mean:
sed "s/export LD_ASSUME_KERNEL/#xport LD_ASSUME_KERNEL/" > ZendSafeGuard-4_0_0.bin

it means replace every instance of "export LD_ASSUME_KERNEL" with "#xport LD_ASSUME_KERNEL" and then to place the result in ZendSafeGuard-4_0_0.bin

I think you might need to give sed some input though to make this meaningful. What are you trying to do?

--Mr. Snorfles

thanks for your answer