安装apt-file：apt-get install apt-file
执行apt-file update更新缓存
使用命令查看文件：
apt-file [options] action [pattern]
apt-file [options] -f action <file>
apt-file [options] -D action <debfile>
Configuration options:
--sources-list -s <file> sources.list location
--cache -c <dir> Cache directory
--architecture -a <arch> Use specific architecture
--cdrom-mount -d <cdrom> Use specific cdrom mountpoint
--from-file -f Read patterns from file(s), one per line
(use '-' for stdin)
--from-deb -D Use file list of .deb package(s) as
patterns; implies -F
--non-interactive -N Skip schemes requiring user input
(useful in cron jobs)
--package-only -l Only display packages name
--fixed-string -F Do not expand pattern
--ignore-case -i Ignore case distinctions
--regexp -x pattern is a regular expression
--verbose -v run in verbose mode
--dummy -y run in dummy mode (no action)
--help -h Show this help.
Action:
update Fetch Contents files from apt-sources.
search|find <pattern> Search files in packages
list|show <pattern> List files in packages
purge Remove cache files
