TASK \ OS	AIX	Linux	SCO UnixWare
OS notes	By IBM, with input from System V, BSD, etc. etc. Runs mainly on IBM RS/6000 and related hardware.	(rh) = Red Hat,	SCO UnixWare 7.0.1& SCO UnixWare 7.1.1 became Caldera Open Unix and later became SCO again.
		Mandrake, Suse,...
		(deb) = Debian, Libranet,...
		(mand) = Mandrake
		(SuSE) = SuSE
administrative GUI	smit	(rh) redhat-config*	scoadmin
	smitty	linuxconf (obsolete)
	wsm	(SuSE) yast2
		(deb) dpkg-reconfigure
		(mand) drakconf
managing users	lsuser	useradd	scoadmin
	mkuser	userdel	useradd
	chuser	adduser	userdel
	rmuser
TASK \ OS	AIX	Linux	SCO UnixWare
list hardware configuration	prtconf	dmesg (if you're lucky)	hwconfig
	lscfg	/proc/*	hw
	lsattr	lspci	scoadmin/DCU
	lsdev	(SuSE) hwinfo
			/usr/lib/X11/testtools/
			z35SysInfo
show/set	bootlist -o -m normal	/dev/nvram (if you have it)	?
EEPROM/NVRAM		hwclock
values		nvsetenv
add device without reboot	cfgmgr -v	modprobe	mkdev
		kerneld
		insmod
		hotplug
		cardctl
tape device	/dev/rmt0	/dev/st0	/dev/rct0
X kvm config	?	xf86config	hwconfig
		XFree86 -configure
		redhat-config-xfree86
		/etc/X11/?dm
TASK \ OS	AIX	Linux	SCO UnixWare
read a disk label	lspv -l	fdisk -l	fsname
whole disk in partition	N/A	?	/dev/1s# (#=0,1,...)
label a disk	mkvg	cfdisk	?
		fdisk
		e2label
partition a disk	mklv	parted (if you have it)	?
		fdisk
		pdisk (on a MAC)
TASK \ OS	AIX	Linux	SCO UnixWare
kernel	/unix	/boot/vmlinuz*	/unix
		/boot/bootlx
		(see /etc/lilo.conf or /boot/grub/menu.lst)
show/set kernel parameters	/usr/samples/kernel/vmtune	/proc/*	/etc/conf/cf.d/configure -x
	(installed with the bos	/proc/sys/*
	adt.samples fileset)	sysctl
	/usr/sbin/no (network-related)	/etc/sysctl.conf
make disk bootable	bosboot -a	(rh) mkbootdisk	?
		(deb) fdisk -A
		(and lilo to manipulate mbr)
startup scripts	/etc/rc*	/etc/rc* (but may vary)	/etc/rc*
		/etc/init.d/
run levels 1	2: multiuser	(set in /etc/inittab)	?
*=normal states	6: reboot	0: halt
for more detail		s,S,1: vendor-dependent
see		1: single-user
www.phildev.net/runlevels.html		2-5*: multiuser
		6: reboot
show runlevel 1	who -r	/sbin/runlevel	who -r
time zone info	/etc/environment ($TZ)	/usr/share/zoneinfo/	?
check swap space	lsps -a	swapon -s	swap -l
		cat /proc/meminfo
		free
TASK \ OS	AIX	Linux	SCO UnixWare
"normal" filesystem	jfs	ext2	htfs
		ext3
		ReiserFS
volume-based filesystem	jfs	LVM, LVM2	vdisk
		EVMS
		VxVM ($)
file system	/etc/filesystems	/etc/fstab	/etc/mnttab
description			/etc/default/filesys
			/etc/vfstab (local)
			/etc/rmtab (remote)
volume manipulation	smitty vg	e2fsadm	?
	smitty lvm	lvcreate
	smitty jfs	lvremove
	mkvg; chvg; rmvg	lvextend
	mklv; chlv; rmlv
	mkfs; crfs; rmfs
create filesystem	crfs	mke2fs	?
		mkreiserfs
		mkdosfs
create non-0-length empty file	lmktemp	dd if=/dev/zero of=filename	dd if=/dev/zero of=filenmae bs=1024 count=desired
		bs=1024k count=desired
mount CDROM	mount -v cdrfs -o ro	mount /mnt/cdrom	mount /dev/cd0 path
	/dev/cd0 /cdrom	(deb) mount /cdrom
	smitty cdrom
TASK \ OS	AIX	Linux	SCO UnixWare
NFS share definitions	/etc/exports	/etc/exports	/etc/exports
	/etc/xtab
NFS share command	exportfs -a	/etc/init.d/nfs-server reload	exportfs -a
		(rh) exportfs -a	/etc/nfs start
name resolution order	/etc/netsvc.conf	/etc/nsswitch.conf	?
		/etc/resolv.conf
show network interface info	ifconfig -a	/sbin/ifconfig	ifconfig -a
	no -a		netstat -in
	netstat -i		Network Config. Mgr. (GUI)
	lsattr -E -l entX
change IP	smitty chinet	(rh) edit: /etc/hosts,	ifconfig
		/etc/sysconfig/network,
	chdev -a netaddr=	/etc/sysconfig/	netconfig
	newIP -I en#	network-scripts/
		ifcfg-eth0
		(deb) edit
		/etc/network/interfaces;
		/etc/init.d/networking
		restart
ping one packet	ping -c 1 hostname	ping -c 1 hostname	ping -c 1 hostname
sniff network	iptrace	etherfind	?
	ipreport	tcpdump
		ethereal
		etherape
route definitions	netstat -r	route	netstat -r
	smitty route	(rh) /etc/sysconfig/network
		(rh) /etc/sysconfig/static-routes
		(deb) /etc/init.d/network
		(deb) /etc/network
telnetd, ftpd banner	/etc/security/login.cfg	/etc/issue.net (telnet)	?
		(ftp varies; can use tcp wrappers)
TASK \ OS	AIX	Linux	SCO UnixWare
encrypted passwords in	/etc/security/passwd	/etc/shadow (may vary)	/etc/shadow
allow/deny root	/etc/security/user	/etc/securetty	/dev/default/login
logins
firewall config	?	?	?
TASK \ OS	AIX	Linux	SCO UnixWare
show installed software	lslpp -L	(rh) rpm -a -i	swconfig
		(rh) rpm -qa	displaypkg
		(deb) dselect	pkginfo
		(deb) dpkg -l
add software	smitty install_all	(rh) rpm -hiv	custom
	smitty installp	(deb) dselect	installpkg
		apt-get install pkg	SCOadmin (GUI)
	/usr/lib/instl/sm_inst	(deb) dpkg -i
	installp_cmd -a
	-d 'device' '-c' '-N' '-g' '-X'
precompiled binaries of GPLware and freeware	www-1.ibm.com/servers/	http://www.linux.org/	http://www.caldera.com/skunkware/
	aix/products/aixos/linux/	linux.tucows.com	skunkware
	download.html	sourceforge.net
	aixpdslib.seas.ucla.edu/	rpmfind.net
	aixpdslib.html
	bullfreeware.com
C compiler	/usr/ibmcxx/bin/cc	gcc	/usr/bin/cc
show patch level	instfix -ivq	(rh) rpm -q	swconfig -P
and/or patches	oslevel -r	(deb) dpkg -s
patch tool	installp	apt-get update	?
	smitty update_all	apt-get upgrade
		(rh) up2date
		(mand) urpmi
configure/show	dump -H	ldconfig	?
runtime linking	ldd	ldd
fortran-2000.com/		lsmod
ArnaudRecipes/
sharedlib.html
link library path	$LIBPATH	$LD_LIBRARY_PATH	?
		/etc/ld.so.conf
tracing utility	trace	strace	?
	syscalls	ltrace
	truss
define user defaults	/etc/security/	/etc/profile	?
	mkuser.default	/etc/security/
	/etc/environment	/etc/skel/
csh global .login	?	/etc/csh.login	?
default syslog and messages	/var/adm/syslog	/var/log/syslog	/usr/adm/syslog
	/var/adm/messages	/var/log/messages	/var/adm/log/osmlog
		/usr/adm/messages
		/var/log/maillog
system error reporting tool	errpt	dmesg	dmesg
		(deb) reportbug
performance monitoring	ftp://ftp.software.ibm.com/aix/tools/perftools/perfpmr/	vmstat	?
	aix/tools/perftools/perfpmr	procinfo -D
	vmstat; iostat; sar; filemon; topas; trace; svmon; netpmon
match process to file	?	lsof	?
TASK \ OS	AIX	Linux	SCO UnixWare