How to install patch file using command line on Linux?

How to install patch file using command line on Linux?

Dear All, 

How to install patch file using command line on Linux?

Patch file is in /ServiceDesk/bin folder.

I have executed as follows:

./Updatemanager.sh -c

select "i"

enter patch file ...

I have entered "ManageEngine_ServiceDesk_Plus_7_6_0_SP-0_6_0.ppm".

But move as former step the repeatly.

Why?

                  New to ADSelfService Plus?