Change in OS - change in ABAP

Hi,
Kindly provide valuable input on following issue.
There are specific z programs were written for AIX based machines.Now there are Linux machines, so we  need to ascertain what changes needs to be made with regards to code changes.
There is one routine that calls the C/C++ programs from specific location. Specificallly this routime will fail on Linux, so need to make changes in the code.
I am not able to find the routine for the same.
If any body have any idea .
Kindly provide valuable  help .
Thanks in advance.

Hi satha nataraj  ,
Yes. You may change it at the OS Level, that`s the best practice. It wouldn't be take-effect immediately if you just change the values of it on rz11.The larger size of buffersize, the better but it is dependent on your RAM. And also you may increased the size your paging memory (virtual memory) at OS level then perform rebooting. But I suggest you that start at 800000 (abap/buffersize) and increase the size of your paging memory.
Hi Juan Reyes
The recommended size of abap/buffersize for those systems using various modules, running 1 or more app servers and using a lot of custom programs is 800000.

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