Kill lui lei dog---linux no:13 linux standard input and output and standard error

Source: Internet
Author: User

Standard input generally refers to the mouse or keyboard input content and then through the Linux kernel processing, standard output is more simple, the computer monitor see the content that is the command after the output, which is called the standard input and output ....

Standard error This is better understood, Linux does not have this command, but I entered, then he will return an error message, which is called the standard error, as follows:

Kill lui lei dog---linux no:13 linux standard input and output and standard error

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