diff options
Diffstat (limited to 'usr.bin/truncate/truncate.1')
| -rw-r--r-- | usr.bin/truncate/truncate.1 | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/usr.bin/truncate/truncate.1 b/usr.bin/truncate/truncate.1 index f6b8b0cc37c9..aa70943b889f 100644 --- a/usr.bin/truncate/truncate.1 +++ b/usr.bin/truncate/truncate.1 @@ -1,4 +1,6 @@ .\" +.\" SPDX-License-Identifier: BSD-2-Clause +.\" .\" Copyright (c) 2000 Sheldon Hearn <sheldonh@FreeBSD.org>. .\" All rights reserved. .\" Copyright (c) 2021 The FreeBSD Foundation @@ -27,12 +29,12 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd March 6, 2025 +.Dd July 9, 2025 .Dt TRUNCATE 1 .Os .Sh NAME .Nm truncate -.Nd truncate, extend the length of files, or perform space management in files +.Nd resize files or manage file space .Sh SYNOPSIS .Nm .Op Fl c @@ -132,7 +134,8 @@ file system space deallocation may be performed in the operation region. The space management operation is performed at the given .Ar offset bytes in the file. -If this option is not specified, the operation is performed at the beginning of the file. +If this option is not specified, +the operation is performed at the beginning of the file. .It Fl l Ar length The length of the operation range in bytes. This option must always be specified if option @@ -195,9 +198,9 @@ truncate -c -s 10M test_file .Pp Same as above but create the file if it does not exist: .Bd -literal -offset indent -truncate -s 10M test_file -ls -l test_file --rw-r--r-- 1 root wheel 10485760 Jul 22 18:48 test_file +truncate -s +10M test_file +ls -lh test_file +-rw-r--r-- 1 root wheel 10M Jul 22 18:48 test_file .Ed .Pp Adjust the size of @@ -207,10 +210,10 @@ to the size of the kernel and create another file with the same size: .Bd -literal -offset indent truncate -r /boot/kernel/kernel test_file test_file2 -ls -l /boot/kernel/kernel test_file* --r-xr-xr-x 1 root wheel 31352552 May 15 14:18 /boot/kernel/kernel --rw-r--r-- 1 root wheel 31352552 Jul 22 19:15 test_file --rw-r--r-- 1 root wheel 31352552 Jul 22 19:15 test_file2 +ls -lh /boot/kernel/kernel test_file* +-r--r--r-- 1 root wheel 30M May 15 14:18 /boot/kernel/kernel +-rw-r--r-- 1 root wheel 30M Jul 22 19:15 test_file +-rw-r--r-- 1 root wheel 30M Jul 22 19:15 test_file2 .Ed .Pp Increase the size of the file @@ -228,9 +231,9 @@ Reduce the size of the file by 5 megabytes: .Bd -literal -offset indent truncate -s -5M test_file -ls -l test_file* --rw-r--r-- 1 root wheel 31352552 Jul 22 19:19 test_file --rw-r--r-- 1 root wheel 31352552 Jul 22 19:15 test_file2 +ls -lh test_file* +-rw-r--r-- 1 root wheel 25M Jul 22 19:17 test_file +-rw-r--r-- 1 root wheel 30M Jul 22 19:15 test_file2 .Ed .Sh SEE ALSO .Xr dd 1 , @@ -247,6 +250,7 @@ The utility first appeared in .Fx 4.2 . .Sh AUTHORS +.An -nosplit The .Nm utility was written by |