29. A variant of the grep command used to search files forpe 30. The files that represent the same data as other ies 31. A Linux command that searches files for patterns command name is short for global regular expression p 32. A temporary that represented by a file on the filesystem 33. The joining of text together to displayed file. 34. One of the two text into the connection that sends information from one command or process in vermory to make one larger whole. In Linux, words and strigs of text are yoined twgetdher to For docun modes in vi; it allows a user to perform any available test-edising taak that in nok relacd to imserting 85. What is the disadvantage of using the cat command to display a very large vest flect How can you get around this problem? 36. Describe the difference between named pipe files and socket files. 37. List at least three differences between wildcard metacharacters and regular expressions. 38. Explain why the vi editor is called a imodal edito. 39. What are the three main structural sections of a Linux filesystem? Describe each section. 40. How does the execute permission apply to a directory