Carlos Andonaegui charlires

## bash.md

      
        
          
            
              
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                charlires
                / bash.md
            
            
              Last active
              August 31, 2016 21:00
                — forked from khanh96le/bash.md
            
              
                bash basic
              
          
        
      
        
  
      
    Learn at this tutorial http://www.shellscript.sh/
1.HelloWorld

The first line

#!/bin/sh
echo 'hello world'
what is #!/bin/sh means?

It likely declare a environment to run the below shell.