Echo is commonly used on Linux command to output some tips in the Shell.
echo "Hello World"
复制代码Add parameters -n, line feed can be removed at the end of the echo command. echo command can also output the contents of some color, so that the shell output is more intuitive.
echo is in English 回音meaning. Mean, you're in this first call of the mountain, the valley can only hear the echo. Lopsided, looming.
origin
This is also from Greek mythology. Titan Protoss experienced a chaotic history of two generations, now, to a world ruled by Zeus. As we all know, the killer mace is the thunder of Zeus, he was a gunner. His typical feature is the passionate, in addition to seven wives, as well as countless affair. Men and women-take-all.
Among the seven wives, one is Hera, and only days later. A typical feature of her envy. So Zeus to having an affair, are generally required to dodging her. Take 水瓶座, it is designed to kill a Hera 美少年had changed. Based Friends of not sparing even her husband, a woman is so terrible.
This is God's world, in fact, is the third sister Hera Zeus.
Echo
Here are our masters. Echo is a personal name.
Echo and the gods had nothing intersection. She likes to hunt in the forest and the mountains, you can make the brain refining girl wearing animal skins. It is also because of this hobby, know the true goddess Diana, often similar to hunting.
Adolescent girl full of energy, she is a chatter. Whether it is chat, or argue, the last one to finish.
If anything unfortunate, then, is the same as Mexico: from the United States too close. This mountain is Zeus and the goddess who often play in place, his intelligence field.
One day, Zeus again. Jealous Zeus Hera worry about 又what has been done sorry for her things, whether man or woman. She found that the mountains, after all, a woman's sixth sense is generally very accurate.
Zeus male slag is certainly frightened and fled, but they are immortal, and not necessarily Bi Hela run fast.
So Echo volunteered to come whenever Hera Zeus, to use her glib rhetoric is holding Hera, Zeus can make sneak away.
In this way many times, actually live in peace.
But not always right. Eventually, Hera discovered the truth. Use the wrath of Hera was divine punishment for Echo, the following is the rule.
Echo只能永远重复她听到的最后几个字。她再也不能用她美丽的声音滔滔不绝了
复制代码Zeus and not because of past kindness to help her. Echo the poor to fend for themselves wandering in the forest.
She can howl like a wolf, but must first wolf howling job.
She can sing like a reed, like the wind, but it must first reed singing job.
In this suffering and lonely days, to a much-needed sustenance.
One day, Echo found a beautiful boy hunting in the mountains, his name is Narcissus.
She did something very right thing: she fell in love with him. Zeus had it been allowed to run into, it is estimated will be his own.
But she can not express, can not ping, pong interaction. She can only ping, ping, ping, ping ...
Here is "The Metamorphosis" in the classic plot, Echo finally summon the courage to face up, she secretly followed him.
Narcissus：谁在这里？
Echo热切的回答：在这里..
Narcissus：请过来！
Echo：过来...
Narcissus没有看到人过来：你为什么躲着我？
Echo：躲着我...
Narcissus：让我们一起走吧..
Echo：一起...
Echo欣喜若狂，后面的话还没说出来，就已经冲到Narcissus面前，伸手拥抱。
事实证明，男人也怕非礼。Narcissus连连后退，惊叫：“放手！我宁愿死，也不会让你占有我！”
“占有我..“，Echo只能这么回答。
复制代码Narcissus finds Echo is a shameless woman, panic and flee.
And Echo, but only shame hid in the depths of the forest.
She began living in caves and cliff.
Sadness faded her face, and finally even the body gradually fall from the sky.
When people laugh and language, she was only in this cold, dark night, lonely endure loneliness.
Her bones into a rock, leaving only the sound echoed through the valley ...
Not finished
Next is the story of Narcissus.
Narcissus is a ruthless man. Because he refused the affection of countless young girls, like refuse, like the poor Echo.
It was rejected also an injury. So one day, a young girl pray, pray Narcissus also experience the taste of love and not of.
Boring Nemesis gives a solution.
One day, Narcissus hunt returned, tired and thirsty. When he bent over, from a pool of clear water, he noticed a beautiful figure.
It was his shadow. He insisted that it was to live in the water sprite.
He stood there with a very appreciative gaze of his bright eyes, and Bacchus and Apollo Apollo as beautiful curly hair, round cheeks, jade-like neck, lips slightly open, as well as the whole body exudes health and vitality.
He fell in love with himself.
He used his lips close to the water, you want to kiss myself. He put his hands into his water, I want to embrace his beloved people.
He was not a moment to leave his own shadow, Chafanbusi. His soft-spoken, I hope he can feel his calling.
Eventually, he was haggard, gradually die.
Narcissus in the English language is a narcissistic meaning, but also the meaning of daffodils. Because Narcissus died, it became a daffodil.
End
That is how the echo command, show the world God predicament. Since I know this story. Whenever this input echo command on the shell, are infinitely deep feeling, could not bear to look.