In English, the term commando means a specific kind of individual soldier or military unit. In contemporary usage, commando usually means elite light infantry
Light infantry
Traditionally light infantry were soldiers whose job was to provide a skirmishing screen ahead of the main body of infantry, harassing and delaying the enemy advance. Light infantry was distinct from medium, heavy or line infantry. Heavy infantry were dedicated primarily to fighting in tight...

 and/or special operations forces units, specializing in amphibious landings
Amphibious warfare
Amphibious warfare is the use of naval firepower, logistics and strategy to project military power ashore. In previous eras it stood as the primary method of delivering troops to non-contiguous enemy-held terrain...

, parachuting
Parachuting, also known as skydiving, is the action of exiting an aircraft and returning to earth with the aid of a parachute. It may or may not involve a certain amount of free-fall, a time during which the parachute has not been deployed and the body gradually accelerates to terminal...

, rappelling and similar techniques, to conduct and effect attacks. Originally "a commando" was a type of combat unit, as opposed to an individual in that unit. In other languages, commando and kommando denote a "command
Command (military formation)
A command in military terminology is an organisational unit that the individual in Military command has responsibility for. A Commander will normally be specifically appointed into the role in order to provide a legal framework for the authority bestowed...

", including the sense of a military unit.

In the militaries of most countries, commandos are distinctive in that they specialize in assault on conventional military targets.

[Fighting Cooke] I eat green berets for breakfast and right now, I'm very hungry!

All that matters to me now is Jenny.

[Before fighting Bennett] C'mon, Bennett, let's party!

[After throwing a pipe through him with steam coming out of it] Let off some steam, Bennett.

[Cooke says, "Fuck you, asshole", but discovers his gun is empty] Fuck you, asshole.

You're a funny guy, Sully. I like you. That's why I'm going to kill you last.

[Dangling Sully over the cliff] Listen, your loyalty is very touching but it isn't the most important thing right in your life now. But what is important is GRAVITY!

[Dangling Sully over the cliff] And I got to remind you, Sully: This is my weak arm!

[Dangling Sully over the cliff] Remember, Sully, when I promised to kill you last? I lied. [drops Sully]

[After breaking the man's neck on the plane] ...And please do me a favour - don't disturb my friend. He is dead tired.