diff options
author | joel <joel@FreeBSD.org> | 2013-03-16 22:53:38 +0000 |
---|---|---|
committer | joel <joel@FreeBSD.org> | 2013-03-16 22:53:38 +0000 |
commit | 2c33737ccb39296e83e0325b02a83ee7e1c5c95f (patch) | |
tree | 1d7056ea05a6eeb491f12458285437b83325fab2 | |
parent | 4bbf2e81a6a3b076d53a9eb2d67eec6b39027517 (diff) | |
download | FreeBSD-src-2c33737ccb39296e83e0325b02a83ee7e1c5c95f.zip FreeBSD-src-2c33737ccb39296e83e0325b02a83ee7e1c5c95f.tar.gz |
Add a couple of examples.
Obtained from: OpenBSD
-rw-r--r-- | usr.bin/head/head.1 | 15 | ||||
-rw-r--r-- | usr.bin/tail/tail.1 | 13 |
2 files changed, 26 insertions, 2 deletions
diff --git a/usr.bin/head/head.1 b/usr.bin/head/head.1 index 0e16477..9bc3413 100644 --- a/usr.bin/head/head.1 +++ b/usr.bin/head/head.1 @@ -28,7 +28,7 @@ .\" @(#)head.1 8.1 (Berkeley) 6/6/93 .\" $FreeBSD$ .\" -.Dd June 6, 1993 +.Dd March 16, 2013 .Dt HEAD 1 .Os .Sh NAME @@ -57,6 +57,19 @@ where is the name of the file. .Sh EXIT STATUS .Ex -std +.Sh EXAMPLES +To display the first 500 lines of the file +.Ar foo : +.Pp +.Dl $ head -n 500 foo +.Pp +.Nm +can be used in conjunction with +.Xr tail 1 +in the following way to, for example, display only line 500 from the file +.Ar foo : +.Pp +.Dl $ head -n 500 foo | tail -n 1 .Sh SEE ALSO .Xr tail 1 .Sh HISTORY diff --git a/usr.bin/tail/tail.1 b/usr.bin/tail/tail.1 index d4ec2f9..4779bc1 100644 --- a/usr.bin/tail/tail.1 +++ b/usr.bin/tail/tail.1 @@ -31,7 +31,7 @@ .\" @(#)tail.1 8.1 (Berkeley) 6/6/93 .\" $FreeBSD$ .\" -.Dd June 5, 2009 +.Dd March 16, 2013 .Dt TAIL 1 .Os .Sh NAME @@ -147,6 +147,17 @@ is the name of the file unless flag is specified. .Sh EXIT STATUS .Ex -std +.Sh EXAMPLES +To display the last 500 lines of the file +.Ar foo : +.Pp +.Dl $ tail -n 500 foo +.Pp +Keep +.Pa /var/log/messages +open, displaying to the standard output anything appended to the file: +.Pp +.Dl $ tail -f /var/log/messages .Sh SEE ALSO .Xr cat 1 , .Xr head 1 , |