Make script executable chmod how to#

For example, to get read, write, execute by owner, read, execute, by group, and execute by anybody. Surprisingly, I found that chmod had no effect until I ran it as super-user. CHMOD is used to change permissions of a file. If the script does something that requires root privileges, then the script should be created with root privileges and run later with root privileges.ДЄ user script in which commands with вЂњsudoвЂќ, ie with root rights, must be executed does not make much sense. On OS X 10.6.8, I made a small script file in my home directory and tried to make it executable. If the script should do something that is relevant for a particular user, then the script should also be created and executed with the user rights. New comments cannot be posted and votes cannot be cast. You can include any combination of shell and operating system commands in the shell script file. New comments cannot be posted and votes cannot be cast. Using a text editor, create and save a file. You may also use sh or bash commands to execute scripts.

Make script executable chmod how to#

What is better now? A script with root or user rights? It depends on what the script does. This tutorial shows how to create a bash script and make it executable using the chmod command. In the second variant without вЂњsudoвЂќ the file is created with the rights of the currently logged in user. Of course, the rights can be changed later. echo /bin/bash > hello > echo echo hi > hello > cat hello /bin/bash > chmod +x hello >.

For example, to explicitly make file3 readable and executable to everyone: chmod. The difference is that the first command creates the file with root privileges and thus can only be changed and executed with root privileges. NOTE Executable files are files containing commands than can themselves be executed as if the file. The chmod (short for change mode) command is used to manage file system.