Question 1. Create the following files: file01 file02 File12 File112 fileRV filer fileR fileRRR file) file 8. a) List (with Is) all files starting with file and having a character as fifth character...

Extracted text: Question 1. Create the following files: file01 file02 File12 File112 fileRV filer fileR fileRRR file) file 8. a) List (with Is) all files starting with file and having a character as fifth character and nothing else. b) List (with Is) all files starting with a letter and ending in a number. c) List (with Is) all files that have exactly six characters. d) List (with Is) all files that start with f or F and end with 2 or R. e) List (with Is) all files that start with f have i or j as second character and end in a number. f) List all files that do not start with the letter f. Question 2. Explain what does this command: cat file1 file2 > file3. LEBANESE INTERNATIONAL UNIVERSITY Question 3. Using one command add the current date to the end of the file named a.txt. Question 4. Show the permissions of a.txt (from Q3) and change the permission to full access for user, nothing at all for group and others.