How to Run Script in Linux?

Steps to write and execute a script

• Open the terminal. Go to the directory where you want to create your script.
• Create a file with .sh extension.
• Write the script in the file using an editor.
• Make the script executable with command chmod +x <fileName>.
• Run the script using ./<fileName>.

Basic rundown:

• Create a file for your startup script and write your script in the file: $ sudo nano /etc/init.d/superscript.
• Save and exit: Ctrl + X , Y , Enter.
• Make the script executable: $ sudo chmod 755 /etc/init.d/superscript.
• Register script to be run at startup: $ sudo update-rc.d superscript defaults.

Shell scripting

• Create a file using any text editor. The first line must begin with the string #!/bin/csh.
• Give yourself execute permission with the chmod u+x filename command.
• You can run the shell script by simply typing filename as if it were a regular command.

Alternatively, you can install Windows PowerShell on Linux without using the command line. If you’re installing PowerShell, chances are you have no fear of using the command line. Turn back now if you do. But for simplicity’s sake you can merely run the package installer via the Ubuntu Software Center.If you want to get rid of having to enter a password for a specific script, sudoers is your friend:

• open terminal.
• run visudo.
• move down to the end of the file.
• press i (for “insert”)
• add username host = (root) NOPASSWD: command (which can be rrehm ALL = (root) NOPASSWD: /usr/local/bin/the-script.sh )
• press ESC (escape)

The way professionals do it

• Open Applications -> Accessories -> Terminal.
• Find where the .sh file. Use the ls and cd commands. ls will list the files and folders in the current folder. Give it a try: type “ls” and press Enter.
• Run the .sh file. Once you can see for example script1.sh with ls run this: ./script.sh.

To create a simple Transact-SQL script file by using Notepad, follow these steps:

• Click Start, point to All Programs, point to Accessories, and then click Notepad.
• Copy and paste the following Transact-SQL code into Notepad:
• Save the file as myScript.sql in the C drive.

Tcl Hello World Example: How To Write, Compile and Execute Tcl Program on Linux OS

• Write a Hello World Tcl Program.
• 2. Make sure Tcl interpreter is installed on your system.
• Installing tcl interpreter.
• Execute Tcl Program.
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Executing Groovy code from the command line

• The simplest way to execute Groovy code is by using the -e option and starting to write Groovy code on the same line:
• You can also place the println ‘Hello, World!’ statement in a separate file; for example, hello.groovy , and execute that script with the following simple command:

First steps. After installing Perl you will want to actually run some Perl code. You need to use a command line (Windows, Mac OSX, Unix/Linux) program to do this. Now create a ‘perl_tests’ folder to save your test files into, you will need to be able to find this from the command line.How to run your script, in order of easiness and inverse order or common procedure:

• Drag your script onto the Lua.exe using the Windows file Explorer.
• a.
• Add the directory containing Lua.exe to your system PATH, then do steps 2a and 2b on the folder containing your script.

How do I run a ksh script in Unix?

1 Answer

1. make sure that ksh is correctly installed in /bin/ksh.
2. for executing a script run from the command-line ./script in the directory where script exist.
3. If you want to execut the script from any directory without ./ prefix, you have to add the path to your script to the PATH environment variable, add this line.

How do I run a file in Linux?

Terminal. First, open the Terminal, then mark the file as executable with the chmod command. Now you can execute the file in the terminal. If an error message including a problem such as ‘permission denied’ appears, use sudo to run it as root (admin).