Equivalent Blast And Blast+ Commands

Hi all,

I used to use an old blast version (2.2.21) and now I'm moving to the latest blast+ version (2.2.25).

The thing is I don't know which options in the 2.2.25 version are the options equivalent to -F and -I options in the 2.2.21 one.

Anyone knows? and anyone knows where I could get the manual for the blast 2.2.21 or a similar version?

Thanks!

Marina