CentOS 7.0 - man page for tailf (centos section 1)
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TAILF(1) User Commands TAILF(1)
tailf - follow the growth of a log file
tailf [OPTION] file
tailf will print out the last 10 lines of a file and then wait for the file to grow. It
is similar to tail -f but does not access the file when it is not growing. This has the
side effect of not updating the access time for the file, so a filesystem flush does not
occur periodically when no log activity is happening.
tailf is extremely useful for monitoring log files on a laptop when logging is infrequent
and the user desires that the hard disk spin down to conserve battery life.
Mandatory arguments to long options are mandatory for short options too.
-n, --lines=N, -N
output the last N lines, instead of the last 10.
Output version information and exit.
Display help and exit.
This program was originally written by Rik Faith (email@example.com) and may be freely dis-
tributed under the terms of the X11/MIT License. There is ABSOLUTELY NO WARRANTY for this
The latest inotify based implementation was written by Karel Zak (firstname.lastname@example.org).
The tailf command is part of the util-linux package and is available from ftp://ftp.ker-
util-linux February 2003 TAILF(1)
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