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Full Discussion: Help needed regarding first 3 items in the list
Top Forums Shell Programming and Scripting Help needed regarding first 3 items in the list Post 302423926 by Scott on Sunday 23rd of May 2010 11:56:15 AM
Old 05-23-2010
Code:
$ awk 'A[$1]++ < 3' file1 
AAA 444 2 juy
AAA 544 2 kui
AAA 567 4 poi
AAB 594 2 kui
AAB 507 4 poi
AAB 764 5 oiu
AAC 444 2 juy
AAC 544 2 kui
AAC 567 4 poi
AAD 734 5 oiu

 

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LEARN ABOUT FREEBSD

aac

AAC(4)							   BSD Kernel Interfaces Manual 						    AAC(4)

NAME

     aac -- Adaptec AdvancedRAID Controller driver

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel configuration file:

	   device pci
	   device aac
	   device aacp

	   To compile in debugging code:
	   options AAC_DEBUG=N

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   aac_load="YES"

DESCRIPTION

     The aac driver provides support for the Adaptec AAC family of SCSI Ultra2, Ultra160, and Ultra320, SATA and SAS RAID controllers.

     Access to RAID containers is available via the /dev/aacd? device nodes.  The aacp device enables the SCSI pass-thru interface and allows
     devices connected to the card such as CD-ROMs to be available via the CAM scsi(4) subsystem.  Note that not all cards allow this interface to
     be enabled.

     The /dev/aac? device nodes provide access to the management interface of the controller.  One node exists per installed card.  The aliases
     /dev/afa? and /dev/hpn? exist for compatibility with the Dell and HP versions of management tools, respectively.  If the kernel is compiled
     with the COMPAT_LINUX option, or the aac_linux.ko and linux.ko modules are loaded, the Linux-compatible ioctl(2) interface for the management
     device will be enabled and will allow Linux-based management applications to control the card.

HARDWARE

     Controllers supported by the aac driver include:

     o	 Adaptec AAC-364
     o	 Adaptec RAID 2045
     o	 Adaptec RAID 2405
     o	 Adaptec RAID 2445
     o	 Adaptec RAID 2805
     o	 Adaptec RAID 3085
     o	 Adaptec RAID 31205
     o	 Adaptec RAID 31605
     o	 Adaptec RAID 5085
     o	 Adaptec RAID 51205
     o	 Adaptec RAID 51245
     o	 Adaptec RAID 51605
     o	 Adaptec RAID 51645
     o	 Adaptec RAID 52445
     o	 Adaptec RAID 5405
     o	 Adaptec RAID 5445
     o	 Adaptec RAID 5805
     o	 Adaptec SAS RAID 3405
     o	 Adaptec SAS RAID 3805
     o	 Adaptec SAS RAID 4000SAS
     o	 Adaptec SAS RAID 4005SAS
     o	 Adaptec SAS RAID 4800SAS
     o	 Adaptec SAS RAID 4805SAS
     o	 Adaptec SATA RAID 2020SA ZCR
     o	 Adaptec SATA RAID 2025SA ZCR
     o	 Adaptec SATA RAID 2026ZCR
     o	 Adaptec SATA RAID 2410SA
     o	 Adaptec SATA RAID 2420SA
     o	 Adaptec SATA RAID 2610SA
     o	 Adaptec SATA RAID 2620SA
     o	 Adaptec SATA RAID 2810SA
     o	 Adaptec SATA RAID 2820SA
     o	 Adaptec SATA RAID 21610SA
     o	 Adaptec SCSI RAID 2020ZCR
     o	 Adaptec SCSI RAID 2025ZCR
     o	 Adaptec SCSI RAID 2120S
     o	 Adaptec SCSI RAID 2130S
     o	 Adaptec SCSI RAID 2130SLP
     o	 Adaptec SCSI RAID 2230SLP
     o	 Adaptec SCSI RAID 2200S
     o	 Adaptec SCSI RAID 2240S
     o	 Adaptec SCSI RAID 3230S
     o	 Adaptec SCSI RAID 3240S
     o	 Adaptec SCSI RAID 5400S
     o	 Dell CERC SATA RAID 2
     o	 Dell PERC 2/Si
     o	 Dell PERC 2/QC
     o	 Dell PERC 3/Si
     o	 Dell PERC 3/Di
     o	 Dell PERC 320/DC
     o	 HP ML110 G2 (Adaptec SATA RAID 2610SA)
     o	 HP NetRAID 4M
     o	 IBM ServeRAID 8i
     o	 IBM ServeRAID 8k
     o	 IBM ServeRAID 8s
     o	 ICP RAID ICP5045BL
     o	 ICP RAID ICP5085BL
     o	 ICP RAID ICP5085SL
     o	 ICP RAID ICP5125BR
     o	 ICP RAID ICP5125SL
     o	 ICP RAID ICP5165BR
     o	 ICP RAID ICP5165SL
     o	 ICP RAID ICP5445SL
     o	 ICP RAID ICP5805BL
     o	 ICP RAID ICP5805SL
     o	 ICP ICP5085BR SAS RAID
     o	 ICP ICP9085LI SAS RAID
     o	 ICP ICP9047MA SATA RAID
     o	 ICP ICP9067MA SATA RAID
     o	 ICP ICP9087MA SATA RAID
     o	 ICP ICP9014RO SCSI RAID
     o	 ICP ICP9024RO SCSI RAID
     o	 Legend S220
     o	 Legend S230
     o	 Sun STK RAID REM
     o	 Sun STK RAID EM
     o	 SG-XPCIESAS-R-IN
     o	 SG-XPCIESAS-R-EX
     o	 AOC-USAS-S4i
     o	 AOC-USAS-S8i
     o	 AOC-USAS-S4iR
     o	 AOC-USAS-S8iR
     o	 AOC-USAS-S8i-LP
     o	 AOC-USAS-S8iR-LP

FILES

     /dev/aac?		  aac management interface
     /dev/aacd? 	  disk/container interface

DIAGNOSTICS

     Compiling with AAC_DEBUG set to a number between 0 and 3 will enable increasingly verbose debug messages.

     The adapter can send status and alert messages asynchronously to the driver.  These messages are printed on the system console, and are also
     queued for retrieval by a management application.

SEE ALSO

     kld(4), linux(4), scsi(4), kldload(8)

HISTORY

     The aac driver first appeared in FreeBSD 4.3.

AUTHORS

     Mike Smith <msmith@FreeBSD.org>
     Scott Long <scottl@FreeBSD.org>

BUGS

     This driver is not compatible with Dell controllers that have version 1.x firmware.  The firmware version is the same as the kernel version
     printed in the BIOS POST and driver attach messages.

     The controller is not actually paused on suspend/resume.

BSD
								   July 10, 2009							       BSD
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