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How do you execute a command in a shell script?

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How do you execute a command in a shell script?

There are a couple of different ways you can do this:

  1. Make the other script executable, add the #!/bin/bash line at the top, and the path where the file is to the $PATH environment variable.
  2. Or call it with the source command (alias is . ),
  3. Or use the bash command to execute it, like: /bin/bash /path/to/script.

How do I run a Linux command in bash?

Steps to execute a shell script in Linux

  1. Create a new file called demo.sh using a text editor such as nano or vi in Linux: nano demo.sh.
  2. Add the following code: #!/bin/bash.
  3. Set the script executable permission by running chmod command in Linux: chmod +x demo.sh.
  4. Execute a shell script in Linux: ./demo.sh.

How do I create a shell script in Linux?

How to Write Shell Script in Linux/Unix

  1. Create a file using a vi editor(or any other editor). Name script file with extension . sh.
  2. Start the script with #! /bin/sh.
  3. Write some code.
  4. Save the script file as filename.sh.
  5. For executing the script type bash filename.sh.

How do I run a command in Linux?

The Run command is a handy way to quickly run a program in Linux by typing the program and executing it. To run programs via the Run command, select the Alt-F2 to open the Run Command box. You can also hit Alt-F2 as a shortcut to the run command. Next, type the name of the program you want to run.

How to Set Your Linux command shell?

Generic Linux Open up a terminal and enter the change shell command. chsh Write /bin/bash/ when asked to “enter a new value”. Enter your password. Then, close the terminal and reboot. Upon startup, Bash will be default again.

How to run shell script in Linux?

Open the Terminal application on Linux or Unix

  • Create a new script file with .sh extension using a text editor
  • Write the script file using nano script-name-here.sh
  • Set execute permission on your script using chmod command : chmod+x script-name-here.sh

    • What are the basic commands in Linux?

    Linux/Basic commands. Unix-like operating systems require a working knowledge of several basic commands. Unix®, Linux, BSD and such use a ubiquitous set of these based on the Single UNIX Specification and other standards. Learning to operate a command line interface is a key skill in learning Linux and BSD.

    Which shell can I use on Linux?

    BASH (Bourne Again SHell) – It is most widely used shell in Linux systems. It is used as default login shell in Linux systems and in macOS. CSH (C SHell) – The C shell’s syntax and usage are very similar to the C programming language. KSH (Korn SHell) – The Korn Shell also was the base for the POSIX Shell standard specifications etc.

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