Answer:
su ,sg and sudo command.
Explanation:
Whenever the user needs to enable workgroup mates should use fdisk including just that disk on both the /dev / sda disk, using the following command to update and configure the following packages. Thus he uses the command su, sg, and sudo.
So, the following commands are required according to the following statement.
 
        
             
        
        
        
Answer: Conventions
Explanation: Convention is the writing activity with the components like punctuation,grammar,symbols,note etc to make the written content understandable and clear. This feature is used because people can understand the meaning of content read by them without initializing it later.
As soon as the reader finishing the reading the information should be clear in his/her mind so that they don't have to figure it out after reading.Convention enhances the value of reading and learning by it's feature .
 
 
        
             
        
        
        
To locate emails with large attachments, go to your email and then choose the option of Choose File > Cleanup Tools > Mailbox Cleanup.
Here , one has to Log into their email account and open their inbox and then use the Search Mail bar and type Size to locate or they Set the Find items that are larger than to 9999 and then one has to click Find. 
<h3>How do I find emails by attachment size?</h3>
This can also be done for messages that has a size equal to or bigger than 25. 
One has to open their message and then they have to right-click on the attachment. You can choose Save As and save to the location of the choice you want.
Learn more about attachments from
brainly.com/question/978078
 
        
             
        
        
        
Answer: Dereferencing a variable that is not a pointer
Explanation:
The execution time also refered to as the CPU time pertaining to a given task is the time that is used by the system to execute a task. 
Some of the reasons for a fatal execution-time error include:
• Dereferencing a pointer that has not been initialized properly 
• Dereferencing a null pointer
• Dereferencing a pointer that has not been assigned to point to a specific address.
It should be noted that dereferencing a variable that is not a pointer doesn't cause a fatal execution-time error. 
 
        
             
        
        
        
Explanation:
the objective of ITIL service operations is to make sure that IT services are delivered effectively and efficiently. the service operation life cycle stage includes the fulfilling of user requests, resolving service failure fixing problems and also carrying out routine operational tasks