Linux Fundamentals - Data Streams of the Process

The video tutorial explains how to use process utilities like PS, top, and H top. It introduces the concept of data streams in processes, specifically STD in, STD out, and STD error. The tutorial demonstrates how these streams work using examples with the LS and mkdir commands, highlighting how errors and outputs are handled. The session concludes with a recap of the key points and a preview of the next lecture.

What happens when you enter a command in a terminal?

• It opens a new window.

• It shuts down the system.

• It starts a new process.

• It creates a new file.

Which of the following is NOT a data stream associated with a process?

• STDIN

• STDOUT

• STDERR

• STDFILE

What is the role of STDIN in a process?

• It handles error messages.

• It outputs data from the process.

• It logs the process activity.

• It inputs data into the process.

What does the 'ls' command output represent?

• Data from STDERR

• Data from STDFILE

• Data from STDOUT

• Data from STDIN

When an error occurs in a command, which data stream is used?

• STDIN

• STDOUT

• STDERR

• STDFILE