目錄結構

1. 從最上層看
[root@vt-002 /]# printf '%s\n' $(ls) | nl
1 afs
2 bin 放置常用指令, 像 vi, grep
3 boot 放 Linux kernel 與 grub, 像
4 dev 放裝置檔地方, 像
5 etc 放軟體設定檔的地方, 像 profile.d, sudoers, hosts, ssh,yum
6 home 為使用者建立個人資料區域的場所, 像 andy, steven
7 initrd
8 lib 放置各種軟體可能需要函式庫
9 lost+found
10 media
11 misc
12 mnt
13 opt
14 proc
15 root
16 sbin
17 selinux
18 srv
19 sys
20 tmp
21 usr
22 var

2. bin 資料夾
{{{
[root@vt-002 bin]# ls
alsaunmute chown dumpkeys gunzip ls nisdomainname sed tracepath view
arch cp echo gzip mail pgawk setfont tracepath6 ypdomainname
ash cpio ed hostname mailx ping setserial traceroute zcat
ash.static csh egrep igawk mkdir ping6 sh traceroute6 zsh
aumix-minimal cut env ipcalc mknod ps sleep true
awk date ex kbd_mode mktemp pwd sort umount
basename dd false kill more red stty uname
bash df fgrep ksh mount rm su unicode_start
bsh dmesg gawk link mt rmdir sync unicode_stop
cat dnsdomainname gettext ln mv rpm tar unlink
chgrp doexec grep loadkeys netstat rvi tcsh usleep
chmod domainname gtar login nice rview touch vi
}}}

3. boot 資料夾
{{{
[root@vt-002 boot]# ls
config-2.6.9-89.0.23.EL.cernxenU lost+found System.map-2.6.9-89.0.25.EL.cernxenU
config-2.6.9-89.0.25.EL.cernxenU message System.map-2.6.9-89.EL.cernxenU
config-2.6.9-89.EL.cernxenU message.ja vmlinuz-2.6.9-89.0.23.EL.cernxenU
grub symvers-2.6.9-89.0.23.EL.cernxenU.gz vmlinuz-2.6.9-89.0.25.EL.cernxenU
initrd-2.6.9-89.0.23.EL.cernxenU.img symvers-2.6.9-89.0.25.EL.cernxenU.gz vmlinuz-2.6.9-89.EL.cernxenU
initrd-2.6.9-89.0.25.EL.cernxenU.img symvers-2.6.9-89.EL.cernxenU.gz
initrd-2.6.9-89.EL.cernxenU.img System.map-2.6.9-89.0.23.EL.cernxenU

}}}

4.
{{{
[root@vt-002 dev]# ls
arpd loop0 md1 md23 md9 ram0 ram9 tap10 tty tty21 tty35 tty49 tty62 xvda3
console loop1 md10 md24 mem ram1 ramdisk tap11 tty0 tty22 tty36 tty5 tty63 zero
core loop2 md11 md25 mice ram10 random tap12 tty1 tty23 tty37 tty50 tty7
cpu loop3 md12 md26 net ram11 rawctl tap13 tty10 tty24 tty38 tty51 tty8
dnrtmsg loop4 md13 md27 nflog ram12 root tap14 tty11 tty25 tty39 tty52 tty9
evtchn loop5 md14 md28 null ram13 route tap15 tty12 tty26 tty4 tty53 urandom
fd loop6 md15 md29 parport0 ram14 route6 tap2 tty13 tty27 tty40 tty54 usersock
full loop7 md16 md3 parport1 ram15 shm tap3 tty14 tty28 tty41 tty55 vcs
fwmonitor lp0 md17 md30 parport2 ram2 skip tap4 tty15 tty29 tty42 tty56 vcsa
gpmctl lp1 md18 md31 parport3 ram3 stderr tap5 tty16 tty3 tty43 tty57 xfrm
initctl lp2 md19 md4 port ram4 stdin tap6 tty17 tty30 tty44 tty58 XOR
input lp3 md2 md5 ppp ram5 stdout tap7 tty18 tty31 tty45 tty59 xvc0
ip6_fw MAKEDEV md20 md6 ptmx ram6 systty tap8 tty19 tty32 tty46 tty6 xvda
kmsg mapper md21 md7 pts ram7 tap0 tap9 tty2 tty33 tty47 tty60 xvda1
log md0 md22 md8 ram ram8 tap1 tcpdiag tty20 tty34 tty48 tty61 xvda2

}}}

5.
{{{
[root@vt-002 /]# ls
afs boot etc initrd lost+found misc opt root selinux sys usr
bin dev home lib media mnt proc sbin srv tmp var
[root@vt-002 /]# cd etc
[root@vt-002 etc]# ls
a2ps.cfg fonts ksysguarddrc openldap securetty
a2ps-site.cfg foomatic lcm.conf opt security
acpi fstab ldap.conf pam.d selinux
adjtime gconf ld.so.cache pam_smb.conf sensors.conf
alchemist gimp ld.so.conf pango services
aliases gnome-vfs-2.0 ld.so.conf.d passwd sestatus.conf
aliases.db gnome-vfs-mime-magic ld.so.conf.orig passwd- setuptool.d
alsa gpm-root.conf lftp.conf pbm2ppa.conf sgml
alternatives gre.d libuser.conf pcmcia shadow
anacrontab grid-security libuser.conf.anaconda pine.conf shadow-
at.deny group lilo.conf.anaconda pine.conf.fixed shells
auditd.conf group- lisarc pinforc skel
audit.rules grub.conf localtime pki smartd.conf
auto.master gshadow log.d pnm2ppa.conf smi.conf
auto.misc gshadow- login.defs ppp smrsh
auto.net gssapi_mech.conf logrotate.conf prelink.cache sound
bashrc gtk logrotate.d prelink.conf ssh
blkid.tab gtk-2.0 lsb-release.d printcap stunnel
bluetooth hal ltrace.conf profile sudoers
bonobo-activation hepix lvm profile.d sysconfig
capi.conf host.conf lynx.cfg protocols sysctl.conf
ccm.conf hosts lynx.cfg.cs pwdb.conf syslog.conf
cdrecord.conf hosts.allow lynx.cfg.ja quotagrpadmins termcap
cpuspeed.conf hosts.deny lynx.cfg.sk quotatab udev
cron.d hotplug lynx-site.cfg racoon updatedb.conf
cron.daily hotplug.d mail rc vfontcap
cron.deny html2psrc mailcap rc0.d vimrc
cron.hourly idmapd.conf mail.rc rc1.d warnquota.conf
cron.monthly im_palette.pal makedev.d rc2.d wgetrc
crontab im_palette-small.pal man.config rc3.d wvdial.conf
cron.weekly im_palette-tiny.pal maven rc4.d X11
csh.cshrc imrc mc rc5.d xdg
csh.login init.d mgetty+sendfax rc6.d xinetd.conf
cups initlog.conf mime.types rc.d xinetd.d
dbus-1 inittab minicom.users rc.local xml
default inputrc modprobe.conf rc.sysinit xpdfrc
depmod.d iproute2 modprobe.conf.dist readahead.early.files yp.conf
dev.d isdn motd readahead.files yum
DIR_COLORS issue mtab redhat-lsb yum.conf
DIR_COLORS.xterm issue.net mtools.conf redhat-release yumex.conf
diskdump java Muttrc resolv.conf yumex.profiles.conf
dumpdates jvm ncm-ncd.conf rhgb yum.repos.d
enscript.cfg jvm-commmon netplug rmt zlogin
environment jwhois.conf netplug.d rpc zlogout
esd.conf kde nscd.conf rpm zprofile
exports kderc nsswitch.conf samba zshenv
fb.modes kermit ntp sane.d zshrc
fdprm krb5.conf ntp.conf screenrc
filesystems krb.conf odbc.ini scrollkeeper.conf
firmware krb.realms odbcinst.ini scsi_id.config
}}}

6.
{{{
[root@vt-002 home]# ls
Andy diane2lsa edglsa glitelsa scchiu waynesan
}}}

7.
{{{
[root@vt-002 lib]# ls
cpp libc.so.6 libm.so.6 libpam_misc.so.0
evms libdb-4.2.so libNoVersion-2.3.4.so libpam_misc.so.0.77
firmware libdevmapper.a libNoVersion.so.1 libpam.so.0
i686 libdevmapper.a.1.02 libnsl-2.3.4.so libpam.so.0.77
iptables libdevmapper-event.a libnsl.so.1 libpcre.so.0
kbd libdevmapper-event.a.1.02 libnss1_compat-2.3.4.so libpcre.so.0.0.1
ld-2.3.4.so libdevmapper-event-lvm2mirror.so libnss1_compat.so.1 libproc-3.2.3.so
ld-linux.so.2 libdevmapper-event-lvm2mirror.so.2.02 libnss1_dns-2.3.4.so libpthread-0.10.so
ld-lsb.so.3 libdevmapper-event-lvm2snapshot.so libnss1_dns.so.1 libpthread.so.0
libacl.so libdevmapper-event-lvm2snapshot.so.2.02 libnss1_files-2.3.4.so libresolv-2.3.4.so
libacl.so.1 libdevmapper-event.so libnss1_files.so.1 libresolv.so.2
libacl.so.1.1.0 libdevmapper-event.so.1.02 libnss1_nis-2.3.4.so librt-2.3.4.so
libanl-2.3.4.so libdevmapper.so libnss1_nis.so.1 librt.so.1
libanl.so.1 libdevmapper.so.1.00 libnss_compat-2.3.4.so libSegFault.so
libasound.so.2 libdevmapper.so.1.01 libnss_compat.so.1 libselinux.so.1
libasound.so.2.0.0 libdevmapper.so.1.02 libnss_compat.so.2 libsepol.so.1
libattr.so libdl-2.3.4.so libnss_db.so.2 libssl.so.0.9.7a
libattr.so.1 libdl.so.2 libnss_db.so.2.0.0 libssl.so.4
libattr.so.1.1.0 libdm.a libnss_dns-2.3.4.so libss.so.2
libaudit.so.0 libdm.la libnss_dns.so.1 libss.so.2.0
libaudit.so.0.0.0 libdm.so libnss_dns.so.2 libtermcap.so.2
libblkid.so.1 libdm.so.0 libnss_files-2.3.4.so libtermcap.so.2.0.8
libblkid.so.1.0 libdm.so.0.0.4 libnss_files.so.1 libthread_db-1.0.so
libBrokenLocale-2.3.4.so libe2p.so.2 libnss_files.so.2 libthread_db.so.1
libBrokenLocale.so.1 libe2p.so.2.3 libnss_hesiod-2.3.4.so libutil-2.3.4.so
libc-2.3.4.so libext2fs.so.2 libnss_hesiod.so.2 libutil.so.1
libcap.so libext2fs.so.2.4 libnss_ldap-2.3.4.so libuuid.so.1
libcap.so.1 libgcc_s-3.4.6-20060404.so.1 libnss_ldap.so.2 libuuid.so.1.2
libcap.so.1.10 libgcc_s.so.1 libnss_nis-2.3.4.so libwrap.a
libcidn-2.3.4.so libhandle.a libnss_nisplus-2.3.4.so libwrap.so
libcidn.so.1 libhandle.la libnss_nisplus.so.2 libwrap.so.0
libcom_err.so.2 libhandle.so libnss_nis.so.1 libwrap.so.0.7.6
libcom_err.so.2.1 libhandle.so.1 libnss_nis.so.2 lsb
libcrypt-2.3.4.so libhandle.so.1.0.3 libnss_winbind.so.2 modules
libcrypto.so.0.9.7a libiw.so.27 libnss_wins.so.2 rtkaio
libcrypto.so.4 libiw.so.28 libpamc.so.0 security
libcrypt.so.1 libm-2.3.4.so libpamc.so.0.77 tls

}}}


/////////////////////////////////////////////////////////////////
//////// 常用的目錄 /////////////
/////////////////////////////////////////////////////////////////

------------------ 放置 crontabl ---------------------------------
位置: /etc/cron.d
功能: 自動工作排程管理
說明:
使用: ...
參考: http://ftp.sunet.se/pub/Linux/distributions/redhat/redhat-archive/redhat/linux/9/en/doc/RH-DOCS/rhl-cg-zh_TW-9/index.html