文件类型
[oracle@mylinuxdbserver1 ~]$ ll
total 24
-rw-r--r-- 1 oracle oinstall 68 Feb 17 00:01 dd.txt
drwxr-xr-x 2 oracle oinstall 4096 Apr 30 2010 Desktop
[root@mylinuxdbserver1 ~]# service kudzu start
Checking for hardware changes OK ]
[root@mylinuxdbserver1 ~]#
[root@mylinuxdbserver1 ~]# ll /dev
total 0
crw------- 1 root root 10, 175 Feb 16 18:36 agpgart
lrwxrwxrwx 1 root root 3 Feb 16 18:36 cdrom -> hdc
brw-rw---- 1 root floppy 2, 0 Feb 16 18:37 fd0
srwxrwxrwx 1 root root 0 Feb 16 18:38 gpmctl
prw------- 1 root root 0 Feb 16 18:40 initctl
[root@mylinuxdbserver1 ~]#
cat /proc/cpuinfo
[root@mylinuxdbserver1 ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz
stepping : 8
cpu MHz : 1795.312
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss nx constant_tsc up pni ds_cpl
bogomips : 4508.01
[root@mylinuxdbserver1 ~]#
cat /proc/dma
[root@mylinuxdbserver1 ~]# cat /proc/dma
4: cascade
[root@mylinuxdbserver1 ~]#
cat /proc/filesystems
[root@mylinuxdbserver1 ~]# cat /proc/filesystems
nodev sysfs
nodev rootfs
nodev bdev
nodev proc
nodev cpuset
nodev binfmt_misc
nodev debugfs
nodev securityfs
nodev sockfs
nodev usbfs
nodev pipefs
nodev futexfs
nodev tmpfs
nodev inotifyfs
nodev eventpollfs
nodev devpts
ext2
nodev ramfs
iso9660
nodev mqueue
ext3
nodev rpc_pipefs
nodev autofs
[root@mylinuxdbserver1 ~]#
cat /proc/interrupts
[root@mylinuxdbserver1 ~]# cat /proc/interrupts
CPU0
1: 10 Phys-irq i8042
6: 7 Phys-irq floppy
7: 0 Phys-irq parport0
8: 1 Phys-irq rtc
9: 0 Phys-irq acpi
12: 106 Phys-irq i8042
15: 453598 Phys-irq ide1
16: 0 Phys-irq uhci_hcd:usb1
17: 182304 Phys-irq ioc0
18: 9949 Phys-irq peth0
256: 3203502 Dynamic-irq timer0
257: 0 Dynamic-irq resched0
258: 0 Dynamic-irq callfunc0
259: 85 Dynamic-irq xenbus
260: 0 Dynamic-irq console
NMI: 0
LOC: 0
ERR: 0
MIS: 0
[root@mylinuxdbserver1 ~]#
cat /proc/ioports
[root@mylinuxdbserver1 ~]# cat /proc/ioports
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
0376-0376 : ide1
0378-037a : parport0
03c0-03df : vga+
03f2-03f5 : floppy
03f7-03f7 : floppy DIR
0cf8-0cff : PCI conf1
1000-103f : 0000:00:07.3
1000-103f : motherboard
1000-1003 : ACPI PM1a_EVT_BLK
1004-1005 : ACPI PM1a_CNT_BLK
1008-100b : ACPI PM_TMR
100c-100f : ACPI GPE0_BLK
1010-1015 : ACPI CPU throttle
1040-104f : 0000:00:07.3
1040-104f : motherboard
1050-105f : 0000:00:07.1
1058-105f : ide1
1060-107f : 0000:00:07.2
1060-107f : uhci_hcd
1080-10ff : 0000:00:10.0
1400-147f : 0000:00:11.0
1400-141f : pcnet32_probe_pci
1480-148f : 0000:00:0f.0
cat /proc/meminfo
[root@mylinuxdbserver1 ~]# cat /proc/meminfo
MemTotal: 964608 kB
MemFree: 47528 kB
Buffers: 105768 kB
Cached: 439888 kB
SwapCached: 22168 kB
Active: 601716 kB
Inactive: 249648 kB
HighTotal: 226508 kB
HighFree: 13064 kB
LowTotal: 738100 kB
LowFree: 34464 kB
SwapTotal: 2031608 kB
SwapFree: 2009440 kB
Dirty: 188 kB
Writeback: 0 kB
AnonPages: 283560 kB
Mapped: 195852 kB
Slab: 29160 kB
PageTables: 11828 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 2513912 kB
Committed_AS: 2154900 kB
VmallocTotal: 114680 kB
VmallocUsed: 4204 kB
VmallocChunk: 110388 kB
cat /proc/version
[root@mylinuxdbserver1 ~]# cat /proc/version
Linux version 2.6.18-92.el5xen (brewbuilder@hs20-bc2-3.build.redhat.com) (gcc version 4.1.2 20071124 (Red Hat 4.1.2-41)) #1 SMP Tue Apr 29 13:45:57 EDT 2008
dmidecode
[root@mylinuxdbserver1 ~]# dmidecode | grep -i 'serial number'
Serial Number: VMware-56 4d b3 54 5e 46 8d 75-53 98 8c b4 b4 d1 82 b9
Serial Number: None
Serial Number: None
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
Serial Number: Not Specified
[root@mylinuxdbserver1 ~]#
fdisk
[root@mylinuxdbserver1 ~]# fdisk -l
Disk /dev/sda: 19.3 GB, 19327352832 bytes
255 heads, 63 sectors/track, 2349 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 2349 18763920 8e Linux LVM
[root@mylinuxdbserver1 ~]#
df
[root@mylinuxdbserver1 ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
16G 11G 3.8G 75% /
/dev/sda1 99M 13M 81M 14% /boot
tmpfs 471M 0 471M 0% /dev/shm
[root@mylinuxdbserver1 ~]#
du
[root@mylinuxdbserver1 ~]# du -h
76K ./.gconfd
8.0K ./.config/gtk-2.0
12K ./.config
4.0K ./.gnome2_private
20K ./.vnc
cat /proc/bus/input/devices
[root@mylinuxdbserver1 ~]# cat /proc/bus/input/devices
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/class/input/input0
H: Handlers=kbd event0
B: EV=120013
B: KEY=4 2000000 3802078 f840d001 feffffdf ffefffff ffffffff fffffffe
B: MSC=10
B: LED=7
I: Bus=0011 Vendor=0002 Product=0005 Version=0000
N: Name="ImPS/2 Generic Wheel Mouse"
P: Phys=isa0060/serio1/input0
S: Sysfs=/class/input/input1
H: Handlers=mouse0 event1
B: EV=7
B: KEY=70000 0 0 0 0 0 0 0 0
B: REL=103
I: Bus=0010 Vendor=001f Product=0001 Version=0100
N: Name="PC Speaker"
P: Phys=isa0061/input0
S: Sysfs=/class/input/input2
H: Handlers=kbd event2
B: EV=40001
B: SND=6
cat /proc/bus/usb/devices
[root@mylinuxdbserver1 ~]# cat /proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.18-92.el5xen uhci_hcd
S: Product=UHCI Host Controller
S: SerialNumber=0000:00:07.2
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms
[root@mylinuxdbserver1 ~]#
lspci |grep -i 'VGA'
[root@mylinuxdbserver1 ~]# lspci |grep -i 'VGA'
00:0f.0 VGA compatible controller: VMware Inc Abstract SVGA II Adapter
[root@mylinuxdbserver1 ~]#
硬连接
[root@mylinuxdbserver1 link]# ll
total 4
-rw-r--r-- 1 root root 6 Feb 17 09:08 a.txt
[root@mylinuxdbserver1 link]# cat a.txt
hello
[root@mylinuxdbserver1 link]# ln a.txt b.txt
[root@mylinuxdbserver1 link]# ll
total 8
-rw-r--r-- 2 root root 6 Feb 17 09:08 a.txt
-rw-r--r-- 2 root root 6 Feb 17 09:08 b.txt
[root@mylinuxdbserver1 link]# echo world >> a.txt
[root@mylinuxdbserver1 link]# cat b.txt
hello
world
[root@mylinuxdbserver1 link]# rm -rf a.txt
[root@mylinuxdbserver1 link]# ll
total 4
-rw-r--r-- 1 root root 12 Feb 17 09:16 b.txt
[root@mylinuxdbserver1 link]#
软连接
[root@mylinuxdbserver1 link]# echo hello > a.txt
[root@mylinuxdbserver1 link]# ll
total 4
-rw-r--r-- 1 root root 6 Feb 17 09:18 a.txt
[root@mylinuxdbserver1 link]# ln -s a.txt b.txt
[root@mylinuxdbserver1 link]# ll
total 4
-rw-r--r-- 1 root root 6 Feb 17 09:18 a.txt
lrwxrwxrwx 1 root root 5 Feb 17 09:18 b.txt -> a.txt
[root@mylinuxdbserver1 link]# cat b.txt
hello
[root@mylinuxdbserver1 link]# rm -rf a.txt
[root@mylinuxdbserver1 link]# ll
total 0
lrwxrwxrwx 1 root root 5 Feb 17 09:18 b.txt -> a.txt
[root@mylinuxdbserver1 link]# cat b.txt
cat: b.txt: No such file or directory
[root@mylinuxdbserver1 link]#
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/95429/viewspace-668907/ ，如需转载，请注明出处，否则将追究法律责任。
