debian下用dkpg --list | more 来浏览debian的软件包，我有点疑问？

rc popularity-con 1.20 Vote for your favourite packages automatical
ii poster 20020830-2 Create large posters out of PostScript pages
rc ppp 2.4.2+20040202 Point-to-Point Protocol (PPP) daemon
rc pppconfig 2.3.2 A text menu based utility for configuring pp
rc pppoe 3.5-3 PPP over Ethernet driver
rc pppoeconf 1.0.3 configures PPPoE/ADSL connections
ii procps 3.2.1-2 The /proc file system utilities
ii psmisc 21.5-1 Utilities that use the proc filesystem
ii psutils 1.17-17 A collection of PostScript document handling
ii python 2.3.4-1 An interactive high-level object-oriented la
ii python2.3 2.3.4-1 An interactive high-level object-oriented la
ii quanta 3.2.2-1 web development environment for KDE
ii rar 3.30-1 Archiver for .rar files
ii rcconf 1.8 Debian Runlevel configuration tool
ii read-edid 1.4.1-2 hardware information-gathering tool for VESA
rc realplayer 8.0.11 Real Player (installer)
ii reiserfsprogs 3.6.17-1 User-level tools for ReiserFS filesystems
ii rox 2.0.1-1 a simple graphical file manager for X11
ii rpm 4.0.4-28 Red Hat package manager
ii rxvt-ml-hiweed 2.6.4-6 multi-lingual VT102 terminal emulator for th
ii secpolicy 3.2.2-1 KDE PAM security policy configuration tool
ii sed 4.0.9-5 The GNU sed stream editor
ii setserial 2.17-36 Controls configuration of serial ports
ii shared-mime-in 0.14-1.1 FreeDesktop.org shared MIME database and spe
ii skel-hiweed 0.3 User skel files used by Hiweed Linux Desktop
ii slang1 1.4.9-2 The S-Lang programming library - runtime ver
ii slang1a-utf8 1.4.9-2 The S-Lang programming library with utf8 sup
ii ssh 3.8.1p1-4 Secure rlogin/rsh/rcp replacement (OpenSSH)
ii stardict 1.9.92+2.0.0-p English-Chinese/Chinese-English dictionary f
ii stardict-langd 2.4.2 User skel files used by Hiweed Linux Desktop
ii sudo 1.6.7p5-1 Provide limited super user privileges to spe
ii sylpheed 0.9.11-1 Light weight e-mail client with GTK+
ii sysklogd 1.4.1-10 System Logging Daemon
ii sysv-rc 2.85-20 Standard boot mechanism using symlinks in /e





我想问的是，在每一个软件的包前面都有两个英文字母，有的是ii有的是rc请问，这两个分别代表什么意思，ii好像是软件已按装 运行 但rc是什么意思呢？
还有就是为什么我用apt-get remove 软件包名 dpkg -r 软件包名。来删除软件包后，再用dpkg --list | more 来看还是存在着这个软件包。