Unix Shell Programming -

| : Pipe output from one command as input to another (e.g., ls | grep "txt" ). Used for modularity and reusability. 3. Essential Tools and Commands

#!/bin/bash # This is a comment echo "Starting Script..." # Define a variable FILE_NAME="backup.txt" # Create a file touch $FILE_NAME # List files and save to a report ls -l > $FILE_NAME echo "File list saved to $FILE_NAME" Use code with caution. Copied to clipboard 5. Steps to Create and Run a Script Unix Shell Programming

The first line of a script, e.g., #!/bin/bash , which specifies the interpreter to use. | : Pipe output from one command as input to another (e