Linux Shell programming-Getting Started script

The shell kernel is an interface between the user and the kernel. The shell protects the internal kernel. The shell programming is similar to the batch processing file in DOS, which is called shell script and shell command file. SlaveProgramFrom the perspective of members, shell itself is a program written in C language. From the perspective of users, shell is a bridge between users and Linux operating systems. You can enter commands for execution and use shell script programming to perform more complex operations.

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