Let the correlation coefficient between X and Y be 0.6.

Star schema consists of:

What is the primary purpose of the "shebang" line `#!/bin/bash` at the beginning of a shell script?

Which special file enables interprocess communication using named pipes?

Which operator enables process substitution?

Which command is used to search text patterns in files?

Which signal is sent by default when using kill without arguments?

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?

In shell scripting, which symbol represents all files in the current directory?

How do you access the value of a variable named `USERNAME` in a shell script?