******* UNIX TUTORIAL - by Peter Conrad Cumminsky *******

****** Lesson 4: File Management ******

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***** What is a file in UNIX? *****

A file is a collection of characters that is stored together, i.e. the 
words in a letter or paper, a computer program, or a listing of data. 
A directory (folder) is just a file that contains a list of files.

***** How to Name a File. *****

The filename must be all one word, no spaces allowed, about 14 
characters or less. Don't begin a filename with a character that is not 
a letter or number. Never use the characters !, ", *, >, <, |,$,@, or ? 
as these have special meanings to the Shell.

***** How Do I Create a File? *****

    %vi filename[Enter]

***** How Can I Add Text to this File? *****

(in Command Mode and Append Mode)
    a

***** How Do I get out of Append Mode? *****

    [Esc]

***** How Do I Return to the Shell Prompt? *****

    :ZZ

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****** File Management with Shell Commands ******

***** How Do I Copy a File? *****

    %cp filename1 filename2 [Enter]

***** How Do I Remove a File? *****

    %rm filename [Enter]

***** How Do I Change a Filename? *****

    %mv old_filename new_filename [Enter]

***** How Do I View the Contents of a File? *****

    %view filename
	(Lets you look at a file without changing it.)

    %cat filename
	(Scroll through the contents of a file.)
	[Ctrl]-[S] (Stops scrolling)
	[Spacebar] (Continues scrolling)

    %page filename [Enter]
	(Display the contents of a file one page at a time.)
	[Spacebar] (Views next screenful of text)
	[Delete] (Exits to Shell Prompt)

    %head filename [Enter]
	(Display the first ten lines of a file.)

    %tail filename [Enter]
	(Display the last ten lines of a file.)

***** How Do I Analyze the Contents of a File? *****

    %grep word_to_find filename1 filename2 [Enter]
	(Find and list lines with word_to_find in filename1, etc.)

    %spell file_name > unknownwords [Enter]
	(Redirect the unknown words (by spell) in a file to the new file 
	unknownwords.)

    %diction file_name > fuzzydiction [Enter]
	(Redirect the output of the diction command to the new file 
	fuzzydiction.)

    %suggest word_or_phrase [Enter]
	(Suggests replacement diction for word or phrase.)

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