?簡介
JpegOptim是用于優(yōu)化jpeg文件的實(shí)用程序，提供無損優(yōu)化（基于優(yōu)化霍夫曼表）和基于設(shè)置最大品質(zhì)因數(shù)的“有損”優(yōu)化。
配置安裝方法
1.編譯和安裝
CentOS 7.6中自帶JpegOptim安裝包，直接使用yum命令安裝。
yum install jpegoptim -y回顯信息如下，則JpegOptim安裝完成：
Installed:
jpegoptim.aarch64 0:1.4.6-1.el7
Complete!
2.運(yùn)行和驗(yàn)證
查詢JpegOptim版本號(hào)。
jpegoptim --version回顯信息如下，則表示JpegOptim安裝成功。
jpegoptim v1.4.6 aarch64-redhat-linux-gnu
Copyright (C) 1996-2018, Timo Kokkonen
This program comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redis tirbute it under certain conditions.
See the GNU General Public License for more details.
libjpeg version: 6b 27-Mar-1998
Copyright (C) 1991-2012 Thomas G. Lane, Guido Vollbeding
Copyright (C) 1999-2006 MIYASAKA Masaru
Copyright (C) 2009 Pierre Ossman for Cendio AB
Copyright (C) 2009-2013 D. R. Commander
Copyright (C) 2009-2011 Nokia Corporation and/or its subsidiary(-ies)
