## NAME

tailf - follow the growth of a log file

## SYNOPSIS

tailf [option] file

## DESCRIPTION

tailf will print out the last 10 lines of the given file and then wait for this 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.

-n, --lines=\fInumber\fR, -\fInumber\fROutput the last number lines, instead of the last 10.

-V, --version Display version information and exit.

-h, --help Display help text and exit.

## AUTHOR

This program was originally written by Rik Faith (faith@acm.org) and may be freely distributed under the terms of the X11/MIT License. There is ABSOLUTELY NO WARRANTY for this program.

The latest inotify-based implementation was written by Karel Zak (kzak@redhat.com).

## SEE ALSO

tail (1), less (1)

## AVAILABILITY

The tailf command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.