Step by Step Oracle Database 11.2.0 installation on linux OEL5.5 64bit

kernel version :-
ernel.shmmax = 536870912
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 6853600
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default=4194304
net.core.wmem_default=262144
net.core.rmem_max=4194304
net.core.wmem_max=1048576

Operating System Pakage:-
glibc-2.3.4-2.41
glibc-common-2.3.4-2.41

create oracle user and DBA group
#groupadd dba
#useradd oracle -g dba
$cd /oracleldatabase
$./runinstaller