Function in bash

#FIRST METHOD
Hello () {  
  echo 'Hello Wordl'  
}  
Hello 

#SECOND METHOD
function Hello {
 echo 'Hello Wordl'
}
Hello

How to make a function in bash

print_something () {
echo Hello I am a function
}

How to make a function in bash

function_name () {
<commands>
}

Function in bash

killport(){ 

sudo kill -9 $(sudo fuser -n tcp $1 2> /dev/null);

}

Now put this function in your bash configuration file, eg ~/.bashrc and then run:

source  ~/.bashrc

-1

Source: unix.stackexchange.com

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