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Oracle Tips by Burleson |
Displaying beginning lines
of a file
Sometimes you might have a large file that you only need to
display the first few lines of to identify the content. For
instance, perhaps you would like to see the error code on a
dump file and the code and error messages appear within the
first five lines of the dump file. The following example
demonstrates how to display the first fifteen lines of a file using
the head command. Pass the head command the number of
lines you would like displayed (default is 10).
Directory:~/examples
$ head -15 declaration.txt display first 15 lines
The Declaration of Independence of the Thirteen Colonies
In CONGRESS, July 4, 1776
The unanimous Declaration of the thirteen united States of America,
When in the Course of human events, it becomes necessary for one
people to dissolve
the political
bands which have connected them with another, and to assume among
the powers of the
earth, the
separate and equal station to which the Laws of Nature and of
Nature's God entitle
them, a decent
respect to the opinions of mankind requires that they should declare
the causes
which impel them
to the separation.
We hold these truths to be self-evident, that all men are created
equal, that they
are endowed by
their Creator with certain unalienable Rights, that among these are
Life, Liberty
and the pursuit
of Happiness. --That to secure these rights, Governments are
instituted among Men,
deriving their
just powers from the consent of the governed, --That whenever any
Form of Government
becomes
Directory:~/examples
$
The above book excerpt is from:
Easy Linux
Commands
Working Examples of Linux Command Syntax
ISBN:
0-9759135-0-6
Terry Clark
http://www.rampant-books.com/book_2005_1_linux_commands.htm |
