基本PKG处理命令

    Some basic PKG-handling commands follow:<br>
To add a package:<br>
pkgadd -d package_name.pkg<br><br>
To remove a package:<br>
pkgrm package_name<br><br>
To get a full list of installed packages:<br>
pkginfo<br><br>
To get detailed information for a package:<br>
pkginfo -l package_name<br><br>
To list the files belonging to a package:<br>
pkgchk -v package_name<br><br>
To get packaging information for an arbitrary file:<br>
pkgchk -l -p file_name