How is it posssible for a program to read a network connection as a file? Explain the mechanism by which multiple physical disk partitions are viewed as a single file system in UNIX. What is the significance of a leading . on a file name? Which if the following are legal file names in UNIX? big_222_numbers .HiddenCode.c spaced out man /slash/ $dollar$ I'm a little Noddy Man, I always nod my head Describe how hard links give a file multiple names in UNIX. Describe how soft (symbolic) links give a file multiple names in UNIX. Describe what users can do what to the file MyProgram after doing the command chmod 510 MyProgram Describe what users can do what to the directory PartialSecrets after doing the command chmod 754 PartialSecrets Give a command that adds read and write permission to the file NoSecrets for the groups and oth