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Output colored text in the shell using the echo commandNameecho-Displays a line of textProfileecho [Options] ... [String] ...DescribeOutputs a string to the standard output.-N does not output line breaks-E Open backslash ESC escape-e Suppress

The echo command for Linux, which is very common in shell programming, is often used when printing variable value under a terminal, so it is necessary to understand the use of EchoThe function of the echo command is to display a piece of text on the

Turn from: http://blog.chinaunix.net/uid-28458801-id-3460227.html Overlay writing (the original content in the file is covered) echo "AAA" > A.txtecho AAA > A.txtAdd style (The new content is added after the original content)echo "AAA" >> a.txtecho

The echo command for Linux, which is very common in shell programming, is often used when printing variable value under a terminal, so it is necessary to understand the use of EchoThe function of the echo command is to display a piece of text on the

The echo command of Linux, which is very commonly used in shell programming, is often used when printing variable value under a terminal, so it is necessary to understand the use of the following Echo The function of the echo command is to display a

Linux echo command learning function description: displays text. Syntax: echo [-ne] [String] or echo [-- help] [-- version] www.2cto.com. Note: echo sends the result string to the standard output by default. The output strings are separated by blank

42 PHP code optimization suggestions. This article introduces 42 suggestions for optimizing PHP code: 1. if a method can be static, it will be declared as static. The speed can be increased to 4 times. 2. echo is faster than print. 3. using multiple

The echo command is a sub-command of a DOS batch command that everyone is familiar with, but some of its features and usage maybe you don't all know, don't believe you see:1. As a switch that controls whether the batch command displays the command

First, familiarize yourself with the echo command NameEcho-display a line of text SummaryEcho [Option]... [String]... DescriptionOutputs a string to the standard output. -N does not output line breaks -E open the backslash (ESC) Escape -E cancel the

Notes on using the echo command in Linux 1. Instructions for using the echo command: echo sends the input string to the standard output. The output strings are separated by blank characters, and the line number is added at the end. Function: display