i.Write a command that copies all files in the current working directory that start with b and have a .txt extension to a directory called data that is a subdirectory of your home directory.   ii.Write a command to move all of the files in /tmp/downloads whose names contain the string 2020 to the current working directory.   iii.Write a command to display a directory listing of all files in the current working directory that consists of two characters, followed by a . (period), followed by another 3 characters.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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i.Write a command that copies all files in the current working directory that start with and have a .txt extension to a directory called data that is a subdirectory of your home directory.

 

ii.Write a command to move all of the files in /tmp/downloads whose names contain the string 2020 to the current working directory.

 

iii.Write a command to display a directory listing of all files in the current working directory that consists of two characters, followed by a . (period), followed by another 3 characters.

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