Modify routing table in Linux

Study from good examples:

route add -host 10.10.10.45 gw 192.168.0.1

route del -host 10.10.10.45 gw 192.168.0.1
route del -host 10.10.10.45
route add 192.168.1.5/32 gw 192.168.1.1 eth1
route add -host 10.0.12.36 gw 192.168.0.1
route del -host 10.10.0.5 netmask 255.255.0.0 gw 10.2.0.1 eth0

route del default

route add default gw 192.168.0.1 eth1

route add default gw 10.239.237.1 eth1

route add default gw 10.112.112.112 ppp0

route add -net 192.168.1.0 netmask 255.255.0.0 gw 192.168.1.1 eth1

route add -net 192.168.1.0/24 gw 192.168.1.1 eth1
route del -net 10.1.0.0 netmask 255.255.0.0 gw 10.2.0.1 eth0

route add default gw 192.168.0.1 [dev] eth0

route del default gw 0.0.0.0 dev eth0

sudo route delete 10.10.20.0

sudo route delete -net 10.10.20.0/24

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