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1.1 ! root 1: .TH TAIL 1 "18 January 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: tail \- deliver the last part of a file ! 5: .SH SYNOPSIS ! 6: .B tail ! 7: .if t [ \(+-number[\fBlbc\fR][\fBfr\fR] ] ! 8: .if n +_number[lbc___][r_f_] ! 9: [ file ] ! 10: .SH DESCRIPTION ! 11: .I Tail ! 12: copies the named file to the standard output beginning ! 13: at a designated place. ! 14: If no file is named, the standard input is used. ! 15: .PP ! 16: Copying begins at distance ! 17: .I +number ! 18: from the beginning, or ! 19: .I \-number ! 20: from the end of the input. ! 21: .I Number ! 22: is counted in units of lines, blocks or characters, ! 23: according to the appended option ! 24: .B l, ! 25: .B b ! 26: or ! 27: .B c. ! 28: When no units are specified, counting is by lines. ! 29: .PP ! 30: Specifying ! 31: .B r ! 32: causes tail to print lines from the end of the file in reverse order. ! 33: The default for ! 34: .B r ! 35: is to print the entire file this way. ! 36: Specifying ! 37: .B f ! 38: causes ! 39: .I tail ! 40: to not quit at end of file, but rather wait and try to read repeatedly ! 41: in hopes that the file will grow. ! 42: .SH "SEE ALSO" ! 43: dd(1) ! 44: .SH BUGS ! 45: Tails relative to the end of the file ! 46: are treasured up in a buffer, and thus ! 47: are limited in length. ! 48: .PP ! 49: Various kinds of anomalous behavior may happen ! 50: with character special files.
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