The Complete Practical Docker Guide - Creating Executable Script

This video tutorial covers the basics of file permissions in Linux, including how to assign, modify, and represent permissions using commands. It also demonstrates creating and executing shell scripts, editing them with Nano, and understanding the importance of path variables for script execution. The tutorial emphasizes best practices, such as using extensions and organizing scripts in a bin folder.

What command is used to modify file permissions in Linux?

• mkdir

• ls

• chown

• chmod

Why is it a good practice to add a '.sh' extension to shell scripts?

• It is required for execution.

• It helps in identifying the file type.

• It makes the script run faster.

• It increases security.

What is the purpose of the shebang line in a script?

• To set the script's permissions.

• To indicate the interpreter for the script.

• To define the script's version.

• To specify the script's author.

Which command can be used to find the path of the bash executable?

• find

• which

• locate

• grep

What does the PATH variable in Linux do?

• Stores user passwords.

• Defines the search path for executable files.

• Holds system configuration settings.

• Lists all installed applications.

Why might a script not be found when executed without a full path?

• The script is not in the PATH directories.

• The script is not executable.

• The script has syntax errors.

• The script is too large.

What is a recommended practice for organizing executable scripts in a user's home directory?

• Use a single script for all tasks.

• Store scripts in the root directory.

• Create a 'bin' folder in the home directory.

• Add the home directory to the PATH.