$ curl cheat.sh/
 cheat:ifconfig 
# To display network settings of an interface:
ifconfig <interface>

# To display all interfaces, even if down:
ifconfig -a

# To take down / up the wireless adapter:
ifconfig wlan0 {up|down} 

# To set a static IP and netmask:
ifconfig eth0 192.168.1.100 netmask 255.255.255.0

# You may also need to add a gateway IP:
route add -net 192.168.1.0 netmask 255.255.255.0 gw 192.168.1.1

 tldr:ifconfig 
# ifconfig
# Network Interface Configurator.
# More information: <https://net-tools.sourceforge.io/man/ifconfig.8.html>.

# View network settings of an Ethernet adapter:
ifconfig eth0

# Display details of all interfaces, including disabled interfaces:
ifconfig -a

# Disable eth0 interface:
ifconfig eth0 down

# Enable eth0 interface:
ifconfig eth0 up

# Assign IP address to eth0 interface:
ifconfig eth0 ip_address

$
Follow @igor_chubin cheat.sh