solve all questions

1. If we wanted to list all the files in the current directory, what command would we want to use? 2. What command can we use to read the contents of the file? 3. If we wanted to search for the string in all files in the directory, what would our command be? 4. What would be the commands to calculate MD5 and SHA1 hashes of the file ? 5. Use the command to determine the type of the file and explain the output in 2-3 sentences. 6. What command can we use to display all printable strings of length 8 in the file