Please help me answer these questions:What are the four main/common attributes of a file.How can we perform two commands on the same line?How can we display outputs of DIR one screenful at a time? There are at least two different ways, and either one is acceptable.Which command will provide us with a list of the available internal commands (commands that are part of Command Prompt, such as CD and DIR - not IPCONFIG or NETSTAT) of Command Prompt?

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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Please help me answer these questions:

What are the four main/common attributes of a file.
How can we perform two commands on the same line?
How can we display outputs of DIR one screenful at a time? There are at least two different ways, and either one is acceptable.
Which command will provide us with a list of the available internal commands (commands that are part of Command Prompt, such as CD and DIR - not IPCONFIG or NETSTAT) of Command Prompt?

Expert Solution

What are the four main/common attributes of a file

A file can be "free formed", indexed or structured collection of related bytes having meaning only to the one who created it. Or in other words an entry in a directory is the file. The file may have attributes like name, creator, date, type, permissions etc.

File Structure

A file has various kinds of structure. Some of them can be :

Simple Record Structure with lines of fixed or variable lengths.
Complex Structures like formatted document or reloadable load files.
No Definite Structure like sequence of words and bytes etc.

Attributes of a File:

Following are some of the attributes of a file :

Name It is the only information which is in human-readable form.
Identifier The file is identified by a unique tag(number) within file system.
Type. It is needed for systems that support different types of files.
Location. Pointer to file location on device.
Size. The current size of the file.
Protection. This controls and assigns the power of reading, writing, executing.
Time, date, and user identification. This is the data for protection, security, and usage monitoring.