Answer:
cp /path/to/source.txt .
is the general format of copying a file to the current directory
cp ~/UnixCourse/fileAsst/TweedleDee/hatter.txt .
You can refer to the current directory with a dot (.)
Explanation:
First, we would like to delete all files in our current directory (commandsAsst directory). To delete the files inside the directory, we would run the following command:
rm -r commandsAsst/*
This command delete the files recursively. Usually, the command for deleting is rm -r. The operator * run rm -r on every file or directory within commandsAsst.
B. it can save time by allowing you to quickly fill cells
In an <u>Internet-based system</u>, the web becomes an integral part of the application, rather than just a communication channel, and systems analysts need new application development tools and solutions to handle the new systems.
d) Internet-based system
<u>Explanation:</u>
Web information system, or web-based information system, is a data framework that utilizes Internet web advancements to convey data and administrations, to clients or other data frameworks/applications.
It is a product framework whose primary intention is to distribute and keep up information by utilizing hypertext-based standards. In an Internet-based system, the Web turns into a fundamental piece of the application, instead of only a correspondence channel, and frameworks investigators need new application advancement instruments and solutions to handle the new systems.
The hard disk drive, OR HDD Stores all the information on the computer.
Answer: Indexed
Explanation: Indexed property in the database system is for indexing .In this process reduction of the record/disk numbers results in the increase in the optimized performance. The structure of the index is in column form.
This technique rapidly provides the data from the table containing database when every query arises or requirement is proposed. Therefore the efficiency of the database increases.
Other options are incorrect because validation rule and text are regarding the verification of the data user and text respectively and expression is defined as the group of one or more value.Thus the correct option is indexed.