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-bash: dos2unix: command not found
安装方法：
在http://linux.softpedia.com/progDownload/Dos2Unix-Download-5519.html下载hd2u-1.0.0.tgz
[root@localhost ~]#tar -zxf hd2u-1.0.0.tgz [root@localhost ~]#cd hd2u-1.0.0 [root@localhost ~]#./configureConfiguring hd2u 1.0.0
checking for gcc… gcc
checking for C compiler default output file name… a.out
checking whether the C compiler works… yes
checking whether we are cross compiling… no
checking for suffix of executables…
checking for suffix of object files… o
checking whether we are using the GNU C compiler… yes
checking whether gcc accepts -g… yes
checking for gcc option to accept ANSI C… none needed
checking for a BSD-compatible install… /usr/bin/install -c
checking for getopt_long in -lpopt… no
configure: error: *** libpopt not found
在http://rpm.pbone.net/index.php3/stat/4/idpl/17960519/dir/other/com/popt-1.14-2rt.x86_64.rpm.html下载popt-1.14-2rt.x86_64.rpm
[root@localhost ~]#rpm -ivh popt-1.14-2rt.x86_64.rpm [root@localhost ~]#cd hd2u-1.0.0 [root@localhost ~]#./configure&&make&&make install [root@localhost ~]#whereis dos2unixdos2unix: /usr/local/bin/dos2unix
安装成功！
