What are input masks most useful for in data validation? moving data from one field to another hiding parts of a value that are unnecessary identifying duplicate values in different records in a table ensuring consistent formatting of values in a specific field

Choice of type is influenced primarily by these two factors?

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head