This is in Unix

WILDCARDS AND REGULAR EXPRESSIONS Problem 2(8 points): Answer the following questions about wildcards: a) Thewildcard character is used to match any single character b) How would you use the ls command to display all of the files/directories in your current directory that start with an 'r' and end with jpg? your current directory that contain the word 'sample' in the name? your current directory that are a single letter, followed by the file extension . py? c) How would you use the ls command to display all of the files/directories in d) How would you use ine pl,N XMIIII kamell i D display all of ile files direcior ICS llll