Which file holds configuration data regarding password aging?
Show answer Hide answer
Answer: B. password
Explanation
The password configuration file holds user account credentials and security aging parameters. It manages critical account lifecycle settings like maximum password validity durations and expiration warnings. System security policies rely on these records to enforce regular credential updates across users. Unix security architectures store hashed passwords and aging rules in protected system files. User authentication mechanisms consult these configuration files during login verification attempts. Password aging policies protect systems against compromised credentials by forcing periodic updates.
System administrators monitor password expiration settings to maintain organizational security compliance. Managing user accounts securely requires understanding where authentication parameters are stored. Security audits frequently inspect account aging configurations to ensure adherence to best practices. Option A is incorrect because Shadow stores encrypted password hashes separately for security. Option C is incorrect because profile scripts configure shell environments rather than password aging. Option D is incorrect because not all three files handle password aging configuration data.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
Related questions
Q1. Which internal mail command is used to send a message to a list of users?
Show answer Hide answer
Answer: B. m user-list
Within the interactive mail utility, the letter m serves as the command to compose and send messages. Users specify a list of recipient usernames following the command to deliver correspondence efficiently. This internal...
Q2. Which command updates the access and modification timestamps of a file?
Show answer Hide answer
Answer: C. touch
The touch command updates the access and modification timestamps of a specified file. If the target file does not exist, touch creates a new empty file by default. It provides a quick way to alter file timestamp metadata...
Q3. Which directory stores all user-created Aliases, including the user's login directory?
Show answer Hide answer
Answer: C. /usr
The /usr directory hierarchy contains user-related programs, shared libraries, and documentation across the system. It serves as a primary location for read-only user application data and software packages independent of...
Q4. Which command saves the output of the who command to user.lst while simultaneously printing it?
Show answer Hide answer
Answer: A. who | tee user.lst
The tee command takes input from who and sends it simultaneously to a file and the screen. It acts like a plumbing T-junction, splitting the data stream into two identical output paths. This allows users to capture comma...
Q5. Which of these is an illegal filename?
Show answer Hide answer
Answer: D. None of the above
None of the provided options represent illegal filenames under standard Linux filesystems. Linux filesystems permit alphanumeric characters in filenames while avoiding forward slashes. Valid filenames can consist of uppe...
Q6. Which partition table format is supported by Linux?
Show answer Hide answer
Answer: D. DOS
Linux operating systems fully support the traditional DOS partition table format used by master boot record disks. Storage utility software can read, create, and modify DOS partition tables during disk partitioning opera...