Computer File Systems

An input/output stream that wraps a file stream buffer, provides functions to open or close a file in addition to those of generic input/output stream

These three file pointers are automatically defined when a program executes and provide access to the keyboard and screen.

Appending in file operations means adding new data to the end of an existing file without modifying the existing content. This is commonly used in logging systems, data collection applications, and sequential file processing where records need to be added over time. The append position always follows the last byte of existing data.

This directory is the place where users can store their own files and create subdirectories.

This utility in UNIX is a facility for creating and reading archives.

This file or directory permission allows an user to look at the contents of the file.

File attributes consists all of the above.

This function allows all attributes to remain unchanged except the length. The lenght of a file can be reset to zero and its space is released.

Ordinary files contain text, data or program information.

Directories are containers or folders that hold files and other directories.

The Current directory can be referred to by the . (full stop) character and it refers to your actual location in the file store hierarchy.

Hard link to a file is indistinguishable from the file itself.

UNIX provides each user his own directory known as home directory. Within this, the users can store their own files, and create directories.

Yes, all the three statements are true.