nessuno sa niente?

Ecco cosa ho in init.d

codice:
    [3] => alsa
    [4] => apache2
    [5] => atd
    [6] => bind9
    [7] => bootclean.sh
    [8] => bootlogd
    [9] => bootmisc.sh
    [10] => checkfs.sh
    [11] => checkroot.sh
    [12] => console-screen.sh
    [13] => cron
    [14] => cupsys
    [15] => dbus-1
    [16] => discover
    [17] => dns-clean
    [18] => evms
    [19] => exim4
    [20] => gdm
    [21] => halt
    [22] => hostname.sh
    [23] => hotplug
    [24] => hpoj
    [25] => hwclock.sh
    [26] => hwclockfirst.sh
    [27] => ifupdown
    [28] => ifupdown-clean
    [29] => inetd
    [30] => initrd-tools.sh
    [31] => keymap.sh
    [32] => klogd
    [33] => lpd
    [34] => makedev
    [35] => module-init-tools
    [36] => modutils
    [37] => mountall.sh
    [38] => mountnfs.sh
    [39] => mountvirtfs
    [40] => mysql
    [41] => networking
    [42] => nfs-common
    [43] => nfs-kernel-server
    [44] => nviboot
    [45] => portmap
    [46] => postgresql
    [47] => ppp
    [48] => pppd-dns
    [49] => procps.sh
    [50] => rc
    [51] => rcS
    [52] => reboot
    [53] => rmnologin
    [54] => samba
    [55] => sendsigs
    [56] => single
    [57] => skeleton
    [58] => ssh
    [59] => stop-bootlogd
    [60] => sudo
    [61] => sysklogd
    [62] => syslog-ng
    [63] => udev
    [64] => udev-mtab
    [65] => umountfs
    [66] => umountnfs.sh
    [67] => urandom
    [68] => xfree86-common
Quali sono indispensabili? quali mi suggerite?