file write

format

cat <<EOT > file_path

....

EOT

example)

cat <<EOT > /etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0

TYPE=Bond

BONDING_MASTER=yes

BOOTPROTO=none

ONBOOT=yes

BONDING_OPTS="miimon=1 updelay=0 downdelay=0 mode=4"

NAME=bond0

EOT