launchd is controlled by launchctl, so see that. launchd.plist -- System wide /x per-user Daemon/Agent configuration files Parameters that can be given to an XML property list that can be loaded into launchd with launchctl. program invocations "hard code" in launchd: taken from code in the launchd executable. edited from XML to more humanreadable syntax by DGG
boot=  singleuser-hack= Program= "/usr/sbin/bless" ProgramArguments= ( "bless" "--mount" "/" "--nextonly" "--setBoot" "--options" "-s")
                PerformAfterUserspaceReboot= T

sdk-cache= Program= "/usr/libexec/xpchelper" ProgramArguments= ( "xpchelper" "--rebuild-cache" ) 

shutdown-stall= Program= "/usr/sbin/spindump" ProgramArguments= ( "spindump" "-shutdownstall" "2" "-timelimit" "5" ) 

mount=  Program= "/sbin/mount" ProgramArguments= ( "mount" "-uw" "/" )
            SkipInNetBoot= T AssumeSingleUserSuccess= T RequireSuccess= T RequireRun= T

bootroot= Program= "/usr/sbin/kextcache" ProgramArguments= ( "kextcache" "-Boot" "-U" "/" ) RebootOnExitCode= 72

cache-tag  = Program= "/usr/sbin/BootCacheControl" ProgramArguments= ( "BootCacheControl" "tag" )
cache-stop = Program= "/usr/sbin/BootCacheControl" ProgramArguments= ( "BootCacheControl" "stop" )
cache-start= Program= "/usr/sbin/BootCacheControl" ProgramArguments= ( "BootCacheControl" "start" )

rc.deferred_install= Program= "/bin/bash" ProgramArguments= ( "bash" "/etc/rc.deferred_install" )
        RebootOnSuccess= T RequireSuccess= T RemoveOnSuccess= T

rc.installer_cleanup= Program= "/bin/bash" ProgramArguments= ( "bash" "/etc/rc.installer_cleanup" "multiuser" ) RequireSuccess= T

acct= Program= "/var/account/acct"

rc.server = Program= "/bin/bash" ProgramArguments= ( "bash" "/etc/rc.server" )
rc.cdrom  = Program= "/bin/bash" ProgramArguments= ( "bash" "/etc/rc.cdrom" "multiuser" )
rc.netboot= Program= "/bin/bash" ProgramArguments= ( "bash" "/etc/rc.netboot" "init" ) RequireSuccess= T

dirhelper= Program= "/usr/libexec/dirhelper" ProgramArguments= ( "dirhelper" "-machineBoot" )

fips= Program= "/usr/libexec/cc_fips_test" RequireSuccess= T RequireRun= T

fstab= Program= "/sbin/mount" ProgramArguments= ( "mount" "-vat" "nonfs" )
fsck-safe= Program= "/sbin/fsck" ProgramArguments= ( "fsck" "-fy" ) SkipInNetBoot= T RequireSuccess= T

fsck= Program= "/sbin/fsck" ProgramArguments= ( "fsck" "-q" ) SkipInNetBoot= T FallbackTask= "fsck-safe" RequireRun= T

systemstats= Program= "/usr/libexec/systemstats_boot"
rootless-init= Program= "/usr/libexec/rootless-init" ProgramArguments= ( "rootless-init" "-b")

See also

launchctl, sysctl, launchd.plist