Suppose that you need to access a data file named "students. txt" to hold student names and GPAs. If the user needs to look at the information in the file, which command could be used to open this file?

f = open('students.txt', 'r')

Explanation:

In the computing world, a command is an instruction to a computer program to execute a particular task. These instructions might be issued via a command-line interface, such as a shell program, or as a input to a network service as a component of a network protocol, or can be instructed as an event in a graphical user interface activated by the respective user selecting an option in a menu.

the f = open('students.txt', 'r') command line would be used to open a file named "students.txt", There are also various other types of commands for executing different task, for example:

1. ASSOC for Fix File Associations

2. FC for File Compare

3. IPCONFIG for IP Configuration

4. NETSTAT for Network Statistics

5. PING for Send Test Packets

6. TRACERT for Trace Route

7. POWERCFG for Power Configuration

e.t.c.

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