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2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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What does the $in linux mean? In view of this problem, this article introduces the corresponding analysis and answers in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible way.
The $in linux, that is, the "command prompt", is where you can enter a command. The command prompt may prompt the current user for some information. Under linux, the user will be prompted for the current directory and the current user.
$is used in linux to give commands to variables, such as $JAVA_HOME, which refers to the environment variable of JAVA_HOME.
Echo $JAVA_HOME can output the home directory of jdk in the linux terminal.
$is also used to pass parameters to the script in the Shell script. For example, the format of getting parameters within the script is: $n < n > n represents a number, 1 is the first parameter to execute the script, 2 is the second parameter to execute the script, and so on.
Linux is a free-to-use and free-spread Unix-like operating system. It is a multi-user, multi-task, multi-threaded and multi-CPU operating system based on POSIX and Unix. It runs major Unix tools, applications, and network protocols. It supports 32 bit and 64 bit hardware. Linux inherits the design idea of Unix with network as the core, and is a multi-user network operating system with stable performance.
This is the answer to the question about what the $in linux means. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel for more related knowledge.
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