Answer:
a. file-naming conventions
Explanation:
File names need to follow certain criteria and constraints. Examples include:
- File names must not start with special symbols.
- File names can consist of letters,digits and special characters such as _.
- File name can contain an extension after a dot sign.
- File names must not be duplicates of an existing file.
Such constraints form part of file-naming conventions.
- file-path represents the complete path to the file in the directory structure.
- disk partition segments a hard disk into multiple volumes.
- file-path starts from the root directory and spans one or more subdirectories to the location of the actual file.
....field while a row represents a record
Answer:
Commands: commands are also known as "programs" and the program is a set of rules that performs a specific task which is executed by a computer.
Unix is an operating system. that supports multi-tasking and multi-user functionality. Unix is most widely used in all forms of computing systems such as desktop, laptop, and servers. It provides a Graphical user interface similar to windows.
The Unix operating system there are various commands. The list of five Unix commands can be given as:
1) cal
2) date
3) banner
4) who
5) whoami
1)cal:
The cal command stands for calender. It displays the date.
Syntax:
$ cal
or
$ cal [[month] year]
Example:
$ cal 10 2019
2)date:
The date command stands for date and time. It displays the system date and time.
Syntax:
$date
or
$ date[+format]
Example:
$ date +%d/%m/%y
3) banner
The banner command stands for display the text in to a large size.
Syntax:
$banner message
Example:
$banner Unix
4) who
The who command stands for display the list of users currently logged in.
Syntax:
$who
or
$who [option] … [file][arg1]
Example:
$who
5) whoami
The whoami command stands for display the user id of the currently logged-in user.
Syntax:
$whoami
Example:
$whoami
Explanation:
1)cal command display the current month and year.
2)date command display system date and time.
3)banner command display text in large size.
4)who command display the user name who currently login.
5)whoami command display user id.
Answer:
Joe should read the explanatory text and complete the learning activities.
Explanation:
Given
See attachment for options
Required
Best strategy to get through the module
First off, rushing through the activities and taking guess for each question (as suggested by (a)) will not help him;
He may complete the activities but sure, he won't learn from the module.
Also, reading through the units without completing the activities is not an appropriate method because Joe will not be able to test his knowledge at the end of the module.
The best strategy to employ is to read through the units and complete the activities, afterwards (option (b)).
Answer:
#include <iostream>
using namespace std;
int cube(int num)//function cube..
{
return num*num*num;
}
int main() {
int result=cube(4);//result stores the value of cube(4).
cout<<result;//displaying it to the screen.
return 0;
}
Explanation:
The above code is in C++ language.The function cube is passed with value 4 and the result of it is stored in the variable result of integer type.Then the result is displayed using the cout. Which is used to print the statement to the output screen.
