Question
What is the primary purpose of the "shebang" line
`#!/bin/bash` at the beginning of a shell script?Solution
It specifies the interpreter program to be used for executing the script.
Which command is used to display the first few lines of a file?
In Bash, which syntax is used for arithmetic expansion?
How do you access the value of a variable named `USERNAME` in a shell script?
Which command is used to display the last 10 lines of a file in Linux?
Slowly Changing Dimension (SCD) is used to:
If a program needs to read data from a file, which system call would it typically use?
What does $# represent in a shell script?
Which command is used to read user input from the keyboard and store it in a variable?
Which of the following is the syntax for an `if` statement checking if a variable `NUM` is numerically equal to 5?
Which command safely iterates over filenames that may contain spaces and newlines in a shell script?
