tail


SYNOPSIS
       tail [OPTION]... [FILE]...

DESCRIPTION
       Print  the  last  10  lines of each FILE to standard output.  With more
       than one FILE, precede each with a header giving the file  name.   With
       no FILE, or when FILE is -, read standard input.

       Mandatory  arguments  to  long  options are mandatory for short options
       too.

       -c, --bytes=K
              output the last K bytes; alternatively,  use  -c  +K  to  output
              bytes starting with the Kth of each file

       -f, --follow[={name|descriptor}]
              output appended data as the file grows; -f, --follow, and --fol-
              low=descriptor are equivalent

       -F     same as --follow=name --retry

       -n, --lines=K
              output the last K lines, instead of the last 10; or use -n +K to
              output lines starting with the Kth

       --max-unchanged-stats=N
              with  --follow=name,  reopen  a  FILE which has not changed size
              after N (default 5) iterations to see if it has been unlinked or
              renamed  (this  is  the  usual case of rotated log files).  With
              inotify, this option is rarely useful.

       --pid=PID
              with -f, terminate after process ID, PID dies

       -q, --quiet, --silent
              never output headers giving file names

       --retry
              keep trying to open a file even when it is or becomes inaccessi-
              ble; useful when following by name, i.e., with --follow=name

       -s, --sleep-interval=N
              with -f, sleep for approximately N seconds (default 1.0) between
              iterations.  With inotify and --pid=P, check process P at  least
              once every N seconds.

       -v, --verbose
              always output headers giving file names

       --help display this help and exit

       --version
              output version information and exit

       tail to track the named file  in  a  way  that  accommodates  renaming,
       removal and creation.

AUTHOR
       Written  by Paul Rubin, David MacKenzie, Ian Lance Taylor, and Jim Mey-
       ering.

REPORTING BUGS
       Report tail bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report tail translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2011 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       The full documentation for tail is maintained as a Texinfo manual.   If
       the  info  and  tail  programs are properly installed at your site, the
       command

              info coreutils 'tail invocation'

       should give you access to the complete manual.



GNU coreutils 8.12.197-032bb    September 2011                         TAIL(1)
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