head command Post: 302108129

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head

head(1) 						      General Commands Manual							   head(1)

NAME

       head - Displays the beginning of files

SYNOPSIS

   Current Syntax
       head [-c bytes] [-n lines] [file...]

   Obsolescent Syntax
       head [-lines] [file...]

STANDARDS

       Interfaces documented on this reference page conform to industry standards as follows:

       head:  XCU5.0

       Refer to the standards(5) reference page for more information about industry standards and associated tags.

OPTIONS

       The  default  count  is 10.  [Tru64 UNIX]  Specifies the number of bytes to display. If the last byte written is not a newline character, a
       newline character is appended to the output.  Specifies the number of lines to display Works exactly as -n lines.  Obsolescent.

OPERANDS

       Path name of the input file. If you do not specify a file, head reads standard input.

DESCRIPTION

       The head command copies the standard input to standard output, ending output of each file at the specified point.

NOTES

       The obsolescent form is subject to withdrawal at any time.

EXIT STATUS

       The following exit values are returned: Successful completion.  An error occurred.

EXAMPLES

       To display the first 5 lines of a file called test, enter: head -n 5 test To display the first ten lines of all files (except those with  a
       name beginning with a period), enter: head *

ENVIRONMENT VARIABLES

       The  following environment variables affect the execution of head: Provides a default value for the internationalization variables that are
       unset or null. If LANG is unset or null, the corresponding value from the default locale is used.  If any of the internationalization vari-
       ables  contain  an  invalid setting, the utility behaves as if none of the variables had been defined.  If set to a non-empty string value,
       overrides the values of all the other internationalization variables.  Determines the locale for the interpretation of sequences  of  bytes
       of  text  data  as  characters  (for example, single-byte as opposed to multibyte characters in arguments and input files).  Determines the
       locale for the format and contents of diagnostic messages written to standard error.  Determines the location of message catalogues for the
       processing of LC_MESSAGES.

SEE ALSO

       Commands:  cat(1), more(1), pg(1), sed(1), tail(1)

       Standards:  standards(5)

																	   head(1)