diff options
Diffstat (limited to 'usr/src/man/man1/tail.1')
| -rw-r--r-- | usr/src/man/man1/tail.1 | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/usr/src/man/man1/tail.1 b/usr/src/man/man1/tail.1 index aca819269e..b96e6400dd 100644 --- a/usr/src/man/man1/tail.1 +++ b/usr/src/man/man1/tail.1 @@ -23,12 +23,12 @@ tail \- deliver the last part of a file .LP .nf -\fB/usr/bin/tail\fR [\(+- \fInumber\fR [lbcf]] [\fIfile\fR] +\fB/usr/bin/tail\fR [\(+- \fInumber\fR [lbcfF]] [\fIfile\fR] .fi .LP .nf -\fB/usr/bin/tail\fR [\fB-lbcf\fR] [\fIfile\fR] +\fB/usr/bin/tail\fR [\fB-lbcfF\fR] [\fIfile\fR] .fi .LP @@ -92,11 +92,24 @@ Units of bytes. \fB\fB-f\fR \fR .ad .RS 7n -Follow. If the input-file is not a pipe, the program does not terminate after -the line of the input-file has been copied, but enters an endless loop, wherein -it sleeps for a second and then attempts to read and copy further records from -the input-file. Thus it can be used to monitor the growth of a file that is -being written by some other process. +Follow. If the input-file is not a pipe, \fBtail\fR does not terminate after +the last line of the input-file has been copied, but enters an endless loop, +wherein it watches the file for modifications and attempts to read and copy +further records from the input-file. Thus it can be used to monitor the growth +of a file that is being written by some other process. If the watched file is +truncated \fBtail\fR will begin reading records from the start of the file. +.RE + +.sp +.ne 2 +.na +\fB\fB-F\fR \fR +.ad +.RS 7n +Follow named file. Operates as with \fB-f\fR, except that if the file is moved +(e.g. if a watched log file is rotated) \fBtail\fR will close the original file +and begin reading records from the start of the file with the specified name +if and when that file is recreated. .RE .sp |