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        Displaying Text from File(s) to the Screen
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"To my daughter Leonora: 
Without whose never failing sympathy and encouragement, 
this book would have been completed in half the time"
- P.G. Wodehouse
 
Of course, to be of use, files must be accessed and 
looked into.  You can always open a text editor and read 
the content of a text file, but most times, you just want 
to take a quick look the file.  To read/print the contents 
of a file on your screen, you can use either the 
"cat" (=catenate) 
or the "more" 
command or the 
"less" command or the 
"page" command.  For example:
- 
$ cat  foo.txt
$ more  foo.txt
$ less  foo.txt
$ page  foo.txt
  
will display the contents of a file "foo.txt" on your screen.
Catenate means "to connect in a series."  The "cat" 
command displays the contents of a file.  If more than 
one file is placed in the command line, i.e., "cat  jimmy  shook," 
-- FYI, "jimmy" and "shook" refer to male and female Chesapeake 
blue crabs -- the files are displayed in succession. (of course, file "jimmy" 
first, then file "shook")  It is here that "cat" command 
derives its name.
- 
$ cat  jimmy  shook
  
Either command works, but "more" or 
"less" or 
"page" is the intelligent 
version.  
With "more" or "less" or "page," the system stops at 
the end of a screenful and wait for you to hit a key to 
continue.  If you use "cat, " everything flies by without 
stopping. (of course you can use  to pause the screen 
and  to resume, but this can be annoying)  
Using "more" or "less" or "page, " there are several 
keys that make more continue in different ways.
 key makes more only print out one additional 
line and then pause again.  gives you a 
full screenful. 
When using "more/less/page" and "cat" you must be 
careful.  Any file that is not a text file should not 
be viewed through "more/less/page" or "cat."  (such as binary file)
If you're not so sure what kind of file you're dealing 
with, you can use "file" 
command first to determine file type before displaying the file.
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