How to run .sh file under linux

1. Directly ./ and add the file name .sh. For example, when running hello.sh, it is ./hello.sh [hello.sh must have x permissions]

2. Direct sh plus the file name .sh, for example, run hello.sh as sh hello.sh [hello.sh does not need x permission]

Method 1: Execute the .sh file in the current directory

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[Step 1] cd to the directory where the .sh file is located

For example, take the hello.sh file as an example, as shown below

[Step 2] Add x execution permissions to the .sh file

For example, take the hello.sh file as an example, chmod u x hello.sh, as shown below

[Step 3]./Execute the .sh file

For example, take the hello.sh file as an example, ./hello.sh can execute hello.sh file, as shown below

[Step 4]sh executes the .sh file

Take the hello.sh file as an example, sh hello.sh can execute hello .sh file, as shown below

Method 2: Execute .sh file with absolute path

The following three methods are available, as shown below:

./home/test/shell/hello.sh
/home/test/shell/hello.sh
sh /home/test/shell/hello.sh

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