[UNIX] System features & commands in Unix, AIX, Sol

Directory	AIX	HP-UX	LINUX	SOLARIS	Tru64
Root filesystem	/              {/dev/hd4}	/          {/dev/vg00/lvol1}	/                  {/dev/sda1}	/  {/dev/vx/dsk/rootvol}	/     {/dev/rz0a}
Home Directory	/home          {/dev/hd1}	/home      {/dev/vg00/lvol4}		/export/home       /dev/vx/dsk/home}
	/tmp           {/dev/hd3}	/tmp       {/dev/vg00/lvol6}		/tmp    /dev/vx/dsk/swapvol}
	/usr            {/dev/hd2}	/usr       {/dev/vg00/lvol7}		/usr	/usr    {/dev/rz0g}
	/var        {/dev/hd9var}	/var       {/dev/vg00/lvol8}		/var
Sample configuration files	-	/usr/newconfig
User Accounts	AIX	HP-UX	LINUX	Solaris	Tru64
Password files	/etc/passwd /etc/security/passwd	/etc/passwd /tcb/files/auth/r/root	/etc/passwd /etc/shadow	/etc/passwd /etc/shadow	/etc/passwd
Groups file	/etc/group /etc/security/group	/etc/group /etc/logingroup	/etc/group	/etc/group	/etc/group
Maximum # of user ID	4294967295	2147483647	65535	2147483647	65535
Allow/Deny remote login	/etc/security/user {rlogin=true}	/etc/securetty {console}	/etc/securetty {ttyp1}	/etc/default/login {CONSOLE=/dev/console}	/etc/securettys {ttyp1}
User nobody's id #	4294967294	-2	99	60001 & 65534(nobody4)	65534
Group nobody's id #	4294967294	-2(nogroup)	99	60002 & 65534(nogroup)	65534
Recover root password	boot from CD/Tape Installation/Maintenance Start Limited Shell getrootfs hdisk0 vi /etc/security/passwd	ISL>hpux -is vi /tcb/files/auth/r/root vi /etc/shadow	linux S vi /etc/shadow	boot cdrom -s mount /dev/c0t0d0s0 /mnt vi /mnt/etc/shadow	press the HALT Button or (Control-P) >>>boot -fl s lsmbstartup /sbin/bcheckrc passwd root
Create new user	mkuser	useradd	useradd	useradd	useradd
Delete user	rmuser	userdel	userdel	userdel	userdel
List users	lsuser -f ALL	logins		logins
Modify user account	chuser -a	usermod	usermod	usermod	usermod
General Commands	AIX	HP-UX	LINUX	Solaris	Tru64
Unique host ID	hostid	uname -i	hostid	hostid	hostid
Administrator	smit	sam	linuxconf	admintool
Performance monitor	top monitor	top glance	top	top	top
System activity reporter	sar	sar		sar
Virtual Memory statistics	vmstat	vmstat	vmstat	vmstat	vmstat
I/O statistics	iostat	iostat		iostat	iostat
Error logs	alog -o -t boot errpt	dmesg	dmesg	dmesg	uerf -R -o full
Physical RAM	1M TB	4TB	64 GB {>2.3.24}	16TB	4TB
Shared Memory	64K TB	8TB	sysctl kernel.shmmax
Process Data Space	384K TB	4TB	900 MB
Swap device	/dev/hd6	/dev/vg00/lvol2	/dev/sda2	/dev/vx/dsk/swapvol	/dev/rz0b
Swap file type	/etc/swapspaces	swap	partition type 82	swap	raw
Display swap size	lsps -a	swapinfo -a	free	swap -l	swapon -s
Activate Swap	swapon -a	swapon -a	swapon -a	swap -a	swapon -a
Printers	AIX	HP-UX	LINUX	Solaris	Tru64
Printer Queues	/etc/qconfig	/etc/lp/interface/*	/var/spool/lpd/lp/*	/etc/lp/interfaces/*	/usr/spool/lpd
Stop LP	stopsrc -s lpd	lpshut	/etc/init.d/lpd stop	/usr/lib/lp/lpshut	/sbin/init.d/lpd stop
Start LP	startsrc -s lpd	lpsched	/etc/init.d/lpd start	/usr/lib/lp/lpsched	/sbin/init.d/lpd start
Submit print jobs	enq lp lpr qprt	lp	lpr	lp lpr	lp lpr
LP statistics	enq -A lpq lpstat qchk	lpstat	lpq	lpstat	lpstat
Remove print jobs	cancel lprm qcan enq -x	cancel	lprm	cancel lprm	cancel lprm
Add printer queue	smit mkpq	lpadmin -p pq	printtool	lpadmin -p pq	lprsetup
Remove Printer queue	smit rmpq	lpadmin -x pq		lpadmin -x pq	lprsetup
Make default printer	export LPDEST="pq"	lpadmin -d pq		lpadmin -d pq	export PRINTER="lp"
TCP/IP	AIX	HP-UX	LINUX	Solaris	Tru64
Network IP configuration	lsattr -E -l inet0	/etc/rc.config.d/netconf	/etc/sysconfig/network-scripts/	/etc/hostname.* /etc/inet/* /etc/defaultrouter	/etc/rc.config
Hosts IP addresses	/etc/hosts	/etc/hosts	/etc/hosts	/etc/inet/hosts	/etc/hosts
Name service switch	/etc/netsvc.conf	/etc/nsswitch.conf	/etc/nsswitch.conf	/etc/nsswitch.conf	/etc/svc.conf
Network parameters	no -a	ndd -h	sysctl -a | grep net	ndd /dev/[tcp|ip] ?
Routing daemon	gated	gated	routed	in.routed	routed
NIC Configurations	ifconfig -a	lanscan -v	ifconfig -a	ifconfig -a	ifconfig -a
Secondary IP Address	ifconfig en0 alias IP	ifconfig lan0:1 IP	modprobe ip_alias ifconfig eth0:1 IP	ifconfig hme0:1 IP up	ifconfig ln0 alias
Login prompt	HERALD @ /etc/security/login.cfg	telnetd -b /etc/issue	/etc/issue	BANNER @ /etc/default/telnetd	/etc/issue
Increase the # of pseudo-terminals	odmget -q "attribute=num and uniquetype=pty/pty/pty" PdAt | sed "s/0-64/0-512/" | odmchange -q "attribute=num and uniquetype=pty/pty/pty" -o PdAt chdev -l pty0 -anum=256 -P reboot	rebuild your kernel with these new values NPTY=# NSTRPY=# reboot insf -d ptys -n # insf -d ptym -n # insf -d pts -s # -e -v	cd /dev ./MAKEDEV -v pty	{/etc/system} set pt_cnt = #   {SYSV} set npty = #      {BSD} {/etc/iu.ap} ptsl 0 # ldterm ttcompat halt boot -r	cd /dev ./MAKEDEV PTY_1
Maximum # of ptys	512	{MAXUSERS}	256	176                {BSD} 3000              {SYSV}	8192
Remote Shell	remsh rsh	remsh	rsh	rsh	rsh
YP/NIS service binder	/usr/lib/netsvc/yp/ypbind	/usr/lib/netsvc/yp/ypbind	/sbin/ypbind	/usr/lib/netsvc/yp/ypbind	/usr/sbin/ypbind
System Files	AIX	HP-UX	LINUX	Solaris	Tru64
NFS exported	/etc/exports	/etc/exports	/etc/exports	/etc/dfs/dfstab /etc/dfs/sharetab	/etc/exports
NFS Client mounted directories	/etc/xtab	/etc/xtab	/var/lib/nfs/xtab	/etc/rmtab	/var/adm/mountdtab
Max File System	128 GB	128 GB	2 TB	1 TB	128 GB {<= 3.2G} 512 GB {>= 4.0} 16 TB {advfs}
Max File Size	64 GB	128 GB	2 GB     {512B block size} 8192 GB  {8KB block size}	1 TB	128 GB {<= 3.2G} 512 GB {>= 4.0} 16 TB {advfs}
Max # File Descriptors	64 K	60~ K	sysctl fs.file-max	64 K	64 K
DISK/LVM Commands	AIX	HP-UX:Disk &Filesystem	LINUX	SOLARIS	Tru64
Filesystem table	/etc/filesystems	/etc/fstab	/etc/fstab	/etc/vfstab	/etc/fstab
Free disk blocks	df -k	bdf	df -k	df -k	df -k
Device listing	lsdev -C	/sbin/ioscan	cat /proc/devices	sysdef
Disk information	bootinfo -s hdisk#	diskinfo /dev/rdsk/c#t#d#	cat /proc/scsi/scsi0/sda/model	format -d c#t#d# format>current format>inquiry	file /dev/rrz0c
Disk Label	lspv -l hdisk#	pvdisplay -v /dev/dsk/C#t#d#	fdisk -l	prtvtoc	disklabel -p rz0
LVM Concepts	Partition	logical extents	logical extents	sub disk	sub disk
	Volume	logical volume	logical volume	Volume	Volume
				Plex	Plex
	Volume group	volume group	volume group	disk group	disk group
Journal Filesystem type	jfs	vxfs	ext2	vxfs	advfs
Default volume group	/dev/rootvg	/dev/vg00		/dev/vx/dsk/rootdg	/dev/vol/rootdg
Display volume group	lsvg -l rootvg	vgdisplay -v vg00	vgdisplay -v	vxprint -l -g rootdg	volprint -l -g rootdg
Modify physical volume	chpv	pvchange	pvchange
Prepare physical disk	mkdev -c disk -l hdisk#	pvcreate	pvcreate	vxdiskadd	voldiskadd
List physical volume	lspv	pvdisplay	pvdisplay	vxprint -dl	volprint -dl
Remove disk from volume group	reducevg	vgreduce	vgreduce	vxdg rmdisk	voldg rmdisk
Move logical volumes to another physical volumes	migratepv	pvmove	pvmove	vxassist move	volassist move
Create volume group	mkvg	vgcreate	vgcreate	vxdg init	voldg init
Remove volume group		vgremove	vgremove
Volume group availability	chvg varyonvg varyoffvg	vgchange	vgchange
Restore volume group		vgcfgrestore	vgcfgrestore
Exports volume group	exportvg	vgexport	vgexport	vxdg deport	voldg deport
Imports volume group	importvg	vgimport	vgimport	vxdg import	voldg import
Volume group listing	lsvg	vgscan	vgscan
Change logical volume characteristics	chlv	lvchange	lvchange	vxedit set	voledit set
List logical volume	lslv	lvdisplay	lvdisplay	vxprint -vl	volprint -vl
Make logical volume	mklv	lvcreate	lvcreate	vxassist make	volassist make
Extend logical volume	extendlv	lvextend	lvextend	vxassist growto	volassist growto
Reduce logical volume	AIX reduce LV	lvreduce	lvreduce	vxassist shrinkto	volassist shrinkto
Remove logical volume	rmlv	lvremove	lvremove	vxedit rm	voledit rm
Prepare boot volumes	bootlist -m normal	lvlnboot	lilo	vxbootsetup
Remove boot volumes		lvrmboot
Extend File system	chfs -a size=#	extendfs -F vxfs -s # fsadm -F vxfs -b {LE * 1024}	resize2fs	vxva mkfs -M
Reduce/Split mirrors	rmlvcopy	lvsplit	lvsplit
Merge mirrors		lvmerge	lvmerge
Create mirrors	mklv -c 2	lvcreate -m 1		vxassist mirror	volassist make vol 100mb mirror=true
Add mirrors	mklvcopy lv 2	lvextend -m 1
Create striped volumes	mklv -u 3 -S 64K	lvcreate -i 3 -I 64	lvcreate -i 3 -I 64	vxassist make vol 100mb layout=raid5	volassist make vol 100mb layout=stripe
System recovery tape	mksysb -i /dev/rmt0	/opt/ignite/bin/make_recovery			/usr/sys/bin/btcreate
Backup	savevg -i rootvg	fbackup	tar cvf /dev/rst0 /	ufsdump	vdump
Restore	restvg	frecover	tar xvf /dev/rst0	ufsrestore	vrestore
MISC	AIX	HP-UX	LINUX	SOLARIS	Tru64
Startup script	/etc/rc	/sbin/rc	/etc/rc.d/rc	/sbin/init.d	/sbin/init.d
Kernel	/usr/lib/boot/unix_up	/stand/vmunix	/boot/vmlinuz	/kernel/genunix	/vmunix
Kernel Parameters	lsattr -E -l sys0	kmtune kmsystem	sysctl -a	sysdef- i	sysconfig dxkerneltuner
Reconfigure the kernel	chdev -l sys0 -a	cd /stand/build /usr/lbin/sysadm/system_prep -v -s system vi system mk_kernel -s system cd /stand mv system system.prev mv vmunix vmunix.prev mv dlkm dlkm.prev mv ./build/system system kmupdate /stand/build	cd /usr/src/linux make mrproper make menuconfig make dep make clean make bzimage make install make modules make modules_install	vi /etc/system reboot	doconfig
List modules		kmadmin -s	lsmod	modinfo
Load module		kmadmin -L	insmod	modload
Unload module		kmadmin -U	rmmod	modunload
Initialize system	install_assist	set_parms initial	netconf	sys-unconfig	netsetup
Physical RAM	bootinfo -r	grep -i Physical /var/adm/syslog/syslog.log	free	prtconf	uerf | grep memory
Kernel Bits	getconf WORD_BIT	getconf KERNEL_BITS	getconf WORD_BIT	isainfo -kv	64
Crash utility	crash	crashutil		crash
Machine model	uname -m bootinfo -m	model uname -m	uname -m	uname -imp	uname -p
OS Level	oslevel	uname -r	uname -r	uname -r	sizer -v
Run Level	who -r	who -r	runlevel	who -r	who -r
Core dump files	/var/adm/ras	/var/adm/crash		/var/crash/`uname -n`
Boot single user	Key on service mode/F4 Boot from CD/Tape Select Maintenance Limited function Shell	ISL>hpux -iS	linux S	ok boot -s	>>> boot -fl s
Maintenance mode		ISL>hpux -lm		ok boot -as
Interrupt Key		control-B		Stop-A	control-P
Return to console		co		ok go
Software	AIX	HP-UX	LINUX	SOLARIS	Tru64
Install Software	installp -a	swinstall	rpm -i package	pkgadd	setld -l
Uninstall software	installp -u	swremove	rpm -e package	pkgrm	setld -d
List installed software	lslpp -L all	swlist	rpm -qa	pkginfo	setld -i
Verify installed software	lppchk -v	swlist -l fileset -a state	rpm -V package	pkginfo -i pkginfo -p	setld -v
List all files	lslpp -f fileset	swlist -l file fileset	rpm -ql package	pkgchk -l package	setld -i package
List installed patches	instfix -i	swlist -l patch what /stand/vmunix		patchadd -p
Package owner	lslpp -w path	swlist -l file | grep path	rpm -qf file	pkgchk -l -p path
SW Directory	/usr/lpp	/var/adm/sw/	/var/lib/rpm	/var/sadm	/var/adm/smlogs
Devices	AIX	HP-UX	LINUX	SOLARIS	Tru64
Devices	/dev	/dev	/dev	/devices	/dev
Install devices for attached peripherals	cfgmgr -v	insf -e	/dev/MAKEDEV	drvconfig devlinks disks tapes ports	/dev/MAKEDEV
Remove device	rmdev -l	rmsf		rem_drv
Device drivers	lscfg	lsdev		prtconf -D
CPU	lsdev -Cc processor	ioscan -fnC processor		psrinfo -v	psrinfo -v
List Terminal	lsdev -Cc tty	ioscan -fnC tty		pmadm -l
Diagnostics	diag	stm		/usr/platform/`uname -m`/ sbin/prtdiag ok test-all /opt/SUNWvts/bin/sunvts
Whole Disk	/dev/hdisk#	/dev/dsk/c#t#d0	/dev/sda	/dev/c#t#d0s2	/dev/rz0c
CDROM	/dev/cd0	/dev/dsk/c#t2d0	/dev/cdrom	/dev/dsk/c#t6d0s2	/dev/rz3c
CDROM file type	cdrfs	cdfs	iso9660	hsfs	cdfs
Rewinding tape drive	/dev/rmt0	/dev/rmt/0m	/dev/rst0           { c 9 0 }	/dev/rmt/0	/dev/rmt0
Non-rewinding tape drive	/dev/rmt0.1	/dev/rmt/0mn	/dev/nrst0          { c 9 128 }	/dev/rmt/0n	/dev/nrmt0
Floppy drive	/dev/rfd0	-	/dev/fd0	/dev/diskette	/dev/fd0c
Links	AIX	HP-UX	LINUX	SOLARIS	Tru64
FAQ	AIX-FAQ	HP-UX FAQ	LINUX FAQ	Solaris 2 FAQ	Tru64 FAQ
Online Manual	AIX 4.3 Books	HP-UX 11.00 Collection	Linux Documentation Project	Solaris 7 Documentation	Tru64 Documents
Technical Support	RS/6000 TechSupport	IT Resource Center	Red Hat support	SunSolve	Alpha Systems Support
Phone Number	1-800-CALL-AIX	1-800-633-3600	1-888-REDHAT1	1-800-USA-4SUN
Free Software	Bull	HP-UX Ports	Linux Software Map	Sun Freeware	Tru64 Demos, Shareware & Freeware
Certification	www.ibm.com	education.hp.com	RHCE	suned.sun.com	ASE Information