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author | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
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committer | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /file_cmds/gzip/gzexe.1 | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'file_cmds/gzip/gzexe.1')
-rw-r--r-- | file_cmds/gzip/gzexe.1 | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/file_cmds/gzip/gzexe.1 b/file_cmds/gzip/gzexe.1 new file mode 100644 index 0000000..0c514c4 --- /dev/null +++ b/file_cmds/gzip/gzexe.1 @@ -0,0 +1,73 @@ +.\" $NetBSD: gzexe.1,v 1.3 2003/12/28 12:49:41 wiz Exp $ +.\" $OpenBSD: gzexe.1,v 1.1 2003/07/31 07:32:47 otto Exp $ +.\" +.\" Copyright (c) 2003 Otto Moerbeek <otto@drijf.net> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $FreeBSD: src/usr.bin/gzip/gzexe.1,v 1.1 2007/01/26 10:19:07 delphij Exp $ +.Dd January 26, 2007 +.Dt GZEXE 1 +.Os +.Sh NAME +.Nm gzexe +.Nd create auto-decompressing executables +.Sh SYNOPSIS +.Nm gzexe +.Op Fl d +.Ar +.Sh DESCRIPTION +The +.Nm +utility uses +.Xr gzip 1 +to compress executables, producing executables that decompress on-the-fly +when executed. +This saves disk space, at the cost of slower execution times. +The original executables are saved by copying each of them to a file with +the same name with a +.Sq ~ +suffix appended. +After verifying that the compressed executables work as expected, the backup +files can be removed. +.Pp +The options are as follows: +.Bl -tag -width Ds +.It Fl d +Decompress executables previously compressed by +.Nm . +.El +.Pp +The +.Nm +program refuses to compress non-regular or non-executable files, +files with a setuid or setgid bit set, files that are already +compressed using +.Nm +or programs it needs to perform on-the-fly decompression: +.Xr sh 1 , +.Xr mktemp 1 , +.Xr rm 1 , +.Xr echo 1 , +.Xr tail 1 , +.Xr gzip 1 , +and +.Xr chmod 1 . +.Sh SEE ALSO +.Xr gzip 1 +.Sh CAVEATS +The +.Nm +utility replaces files by overwriting them with the generated +compressed executable. +To be able to do this, it is required that the original files are writable. |