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head(1) [osx man page]

HEAD(1) 						    BSD General Commands Manual 						   HEAD(1)

head -- display first lines of a file SYNOPSIS
head [-n count | -c bytes] [file ...] DESCRIPTION
This filter displays the first count lines or bytes of each of the specified files, or of the standard input if no files are specified. If count is omitted it defaults to 10. If more than a single file is specified, each file is preceded by a header consisting of the string ``==> XXX <=='' where ``XXX'' is the name of the file. EXIT STATUS
The head utility exits 0 on success, and >0 if an error occurs. SEE ALSO
tail(1) HISTORY
The head command appeared in PWB UNIX. BSD
June 6, 1993 BSD

Check Out this Related Man Page

head(1) 						      General Commands Manual							   head(1)

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)

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