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#!/bin/bash  
echo "hello"

I run this script and I have got only empty space why? I am sure my code is okay, so why don't show text's?


please specify what the problem is.

If your script doesn't run:

For running scripts you should make it executable:

chmod +x script.sh

Another thing that you should know is about SELINUX you should make sure it is sat or not...and specify at which directory it is running?

please run this command and let me know:

ls -l scipt.sh

IF echo command doesn't work:

At first run it in your terminal and see the result...may be the command echo is removed or not...

try to run this bash:

#!/bin/bash
echo "hello"
echo $?

and try this one:

#!/bin/bash          
STR="Hello World!"
echo $STR 

And let me know about output. better to ask your question at unix Q&A or superuser

Running shell scripts from Bash, Executing that script involves invoking the bash program at the command-line and giving it How to write a basic shell script and How to write reusable shell scripts and because bash honestly doesn't care what you name your files or what  If your script doesn't run: For running scripts you should make it executable: chmod +x script.sh Another thing that you should know is about SELINUX you should make sure it is sat or notand specify at which directory it is running? please run this command and let me know: ls -l scipt.sh IF echo command doesn't work:


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I ran into the same puzzling issue when running my hello world script from a terminal window, using Ubuntu. I was editing the file using gedit, giving all permissions from the properties gedit functionality, and when running ./hello_world.sh, further chmoded to +x from a terminal window as well, it simply wouldn't show the result of my echo "Hello World" command.

Needless to say as I have been through all the above answers and all showed my script should have worked.

I simply solved it by editing the script using vim from a terminal window! Then chmod +x again just in case, ran the script and Hello World finally appeared!

But I don't know why it didn't work using the gedit edition;

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make sure u've already made your content to your script file. In some case, if u use some editor like vscode it has some option that won't save content to the file.If this is your case, u may change the option.

Very Simple Bash Scripts, A bash script is a file containing a list of commands to be executed by the bash in the directories /usr/bin and /bin, doesn't find it and returns the error message. Next, let's talk about an alternative way on how to run bash scripts. In a highly simplistic view, a bash script is nothing else just a text file containing instructions to be executed in order from top to bottom. How the instructions are interpreted depends on defined shebang or the way the script is executed. Consider the following video example:


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