Under which ministry national food security act enacted

What does #!/bin/bash at the start of a script mean?

Extended globbing in bash allows:

Which operator enables process substitution in bash (e.g., diff <(cmd1) <(cmd2))?

Which symbol is used for logical AND in shell scripting?

Which command is used to search for a pattern in files?

Which operator enables process substitution?

Which symbol is used in shell scripting to reference a positional parameter, e.g., the first argument passed to a script?

Which operator is used to append output to a file?

Which command is used to read user input from the keyboard and store it in a variable?

In shell scripting, how do you assign the string "Hello World" to a variable named `MESSAGE`?