Executing the saproot.sh Script 
On a UNIX operating system, if you have applied a support package stack that includes the kernel, or if you have applied a single support package to update the kernel, you have to execute the saproot.sh script to configure the ownership and permissions of some kernel files.
You have logged on to the operating system as a <SID>adm user.
On an ADABAS D, INFORMIX, or an ORACLE database, execute the following commands:
stopsap
su - root
cd /sapmnt/<SID>/exe
./saproot.sh <SID>
exit
startsap
On an IBM DB2 Universal Database, execute the following commands:
stopsap
su root (not su - root)
cd /sapmnt/<SID>/exe
./saproot.sh <SID>
exit
startsap