[MacOSX:/usr] mac% ls
bin　lib　share 　include　libexec　sbin　standalone
local→→→→apache-ant-1.5.3-1　jakarta-tomcat-4.1.18　mysql

etc

[MacOSX:/etc] mac% ls
6to4.conf
hostconfig
named.conf
rpc
afpovertcp.cfg
hostconfig~
networks
rtadvd.conf
authorization
hosts
ntp.conf
services
bashrc
hosts.equiv
openldap
shells
crontab
hosts.lpd
pam.d
slpsa.conf
csh.cshrc
httpd
→→→→httpd.conf　httpd.conf.default　mime.types　httpd.conf.applesaved
→→→→magic　mime.types.default　httpd.conf.bak　magic.default　users
passwd
smb.conf
csh.login
hwmond.SMART
periodic
smb.conf.template
csh.logout
iftab ppp
ssh_config
cups inetd.conf
printcap
sshd_config
daily kcpassword
profile sudoers
defaults kern_loader.conf
protocols
syslog.conf
dumpdates
localtime
racoon
ttys
find.codes
magic
rc
ttys.installer
fstab.hd
mail→→README　access.db　sendmail.cf　access　local-host-names　submit.cf
rc.boot
weekly
fstab.rd
mail.rc
rc.cleanup
xinetd.conf
fstab.sd
manpath.config
rc.common
xinetd.d
ftpusers
master.passwd
rc.netboot
xtab
gdb.conf
moduli
resolv.conf
gettytab
monthly
resolver
group
motd
rmtab

var

[MacOSX:/var] mac% ls
at
db
mail
netboot
rwho
tmp
backups
empty
msgs
root
slp.regfile
vm
cron
log→→httpd→→access_log　error_log
named→→localhost.zone　named.ca　named.local
run
spool
yp