Page Layout ⇒ how to change the chapter heading?

[muhammad alzaidi]

thank you localghost

I did a master.tex with the preamble and I remove the preamble for each chapter tex and it is working well
I solved the problem of content list

thank you for your help both of you

[localghost]

[…] I have created tex file which consists of \listofcontent and then you include this file in the place where you want […]

Let's hope that you mean the \tableofcontents command because the one you mentioned does not exist.