Shell programming is such an essential skill that you need to master, if you want to step further into the Linux/Unix world. Being able to program on shell will accelerate your operation work. Because in daily operation, you cannot avoid searching&analying logs, running and proceeding other system scripts periodically, etc. I know it may bore you easily, that is why I want to write down those tips.

Bash Shell Script Basics

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We usually call it as Bash Shell, because Bash is the most widely used shell interpreter. It is widely available on various operating systems and is a default command interpreter on most GNU/Linux systems. more info and definition pls check: Bash Scripting Tutorial for Beginners

In this post, I will briefly introduce 10 tips when we are writing bash script.

1. Variable

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OPeration

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String

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3. Loop

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3. Conditional Statement

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4. Function

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5. Search

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Built-in Command lines

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regular expression

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Cronjob

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