Question
In which stage of classical production function, the
marginal product is always greater than the average product?Solution
Explanation: In the first stage of the classical production function, the marginal product is greater than the average product, meaning each additional unit of input increases total output.
In a POSIX shell script, which construct correctly tests whether variable x is an empty string?
Which command is used to display the number of lines in a file?
Which character is used to denote a single-line comment in a shell script?
How do you typically make a shell script file executable?
Which command is used to search text patterns in files?
How do you access the value of a variable named `USERNAME` in a shell script?
In shell scripting, how do you assign the string "Hello World" to a variable named `MESSAGE`?
In shell scripting, which symbol is used to redirect the standard output to a file, overwriting its contents?
What does the exit command do in a shell script?
Which command is used to display the current working directory in a Unix-like operating system?