Answer:
C. Access mask discretionary.
Explanation:
Access_Mask is the value that defines the rights used in access control entries (ACE), this value identifies if the trustee is allowed to access a secured object.
It can define rights in three categories: Standard, specific and generic rights.
The computer device that works like the human central nervous system is the motherboard. The motherboard is the main PCB (Printed Circuit Board) that exists inside most PC's, and in certain other systems. The function of the motherboard is to contain most of the essential components to a functioning system. This includes the CPU (Central Processing Unit) and storage of memory.
Answer:
the advantages of database in 5 points are as follows
Explanation:
Data Integrity. Data integrity means data is consistent and accurate in the database. ...
Data Security. Data security is a vital concept in a database. ...
Better data integration. ...
Minimized Data Inconsistency. ...
Faster Data Access. ...
Better decision making. ...
Simplicity. ...
Recovery and Backup.
D. the application of scientific discoveries
Answer:
mkdir homeworks // make a new directory called homeworks.
touch homework_instructions.txt //create a file called homework_instruction
sudo -i // login as root user with password.
chmod u+rwx homework_instructions.txt // allow user access all permissions
chmod go-wx homework_instructions.txt // remove write and execute permissions for group and others if present
chmod go+r homework_instructions.txt // adds read permission to group and others if absent.
grep POINTS homework_instructions.txt | ls -n
Explanation:
The Linux commands above first create a directory and create and save the homework_instructions.txt file in it. The sudo or su command is used to login as a root user to the system to access administrative privileges.
The user permission is configured to read, write and execute the text file while the group and others are only configured to read the file.
