主流服务器UNIX操作系统常用命令--3

General Commands	AIX	FreeBSD	HP-UX
Unique host ID	hostid		uname -i
Administrator	smit		sam
Performance monitor	top monitor	top	top glance
System activity reporter	sar	sa	sar
Virtual Memory statistics	vmstat	vmstat	vmstat
I/O statistics	iostat	iostat	iostat
Error logs	alog -o -t boot errpt	dmesg	dmesg
Physical RAM	1M TB		4TB
Shared Memory	64K TB		8TB
Process Data Space	384K TB		4TB
Swap device	/dev/hd6	/dev/ad0s1b	/dev/vg00/lvol2
Swap file type	/etc/swapspaces	swap	swap
Display swap size	lsps -a	swapinfo	swapinfo -a
Activate Swap	swapon -a	swapon -a	swapon -a

General Commands	LINUX(RedHat)	Solaris	Tru64
Unique host ID	hostid	hostid	hostid
Administrator	linuxconf	admintool
Performance monitor	top	top	top
System activity reporter		sar
Virtual Memory statistics	vmstat	vmstat	vmstat
I/O statistics		iostat	iostat
Error logs	dmesg	dmesg	uerf -R -o full
Physical RAM	64 GB {>2.3.24}	16TB	4TB
Shared Memory	sysctl kernel.shmmax
Process Data Space	900 MB
Swap device	/dev/sda2	/dev/vx/dsk/swapvol	/dev/rz0b
Swap file type	partition type 82	swap	raw
Display swap size	free	swap -l	swapon -s
Activate Swap	swapon -a	swap -a	swapon -a