NOTES FOR GATE 2022

    Quiz 7 1:d All files are organized into directories. These directories are organized into a tree-like structure called the file system. Files in Unix System are organized into multi-level hierarchy structure known as a directory tree. At the very top of the file system is a directory called “root” which is represented by a “/”. Explanation: UNIX provides a three tired file protection system that determines the file access rights i.e. the permissions are dived into three groups as r w x. ---------------------- 2:d An access token is generated by the logon service when a user logs on to the system and the credentials provided by the user are authenticated against the authentication database. The authentication database contains credential information required to construct the initial token for the logon session, including its user id, primary group id, all other groups it is part of, and other information. An access token is an object encapsulating the security identity of a process