return

awk	POSIX	Bell	GNU	OpenBSD	NetBSD	SunOS	HP-UX
-d[n]				x	x		
-F...	x	x	x	x	x	x	x
-f...	x	x	x	x	x	x	x
-mf...			i				
-mr...			i				
-O			x				
-safe				x	x		
-V				x	x		
-v...	x	x	x	x	x		x
-W...			x				
Darwin and FreeBSD use Bell's awk.
SunOS's /usr/xpg4/bin/awk is nawk.

diff	POSIX	GNU	OpenBSD	SunOS	HP-UX
-a		x	x		
-B		x			
-b	x	x	x	x	x
-C...	x	x	x	x	x
-c	x	x	x	x	x
-D...		x	x	x	x
-d		x	x		
-E		x			
-e	x	x	x	x	x
-F...		x			
-f	x	x	x	x	x
-H		h
-h		i		x	x
-I...		x1	x2		
-i		x	x	x	x
-L...		x	x		
-l		x	x	x	x
-N		x	x		
-n		x	x	x	x
-P		x	x		
-p		x	x		
-q		x	x		
-r	x	x	x	x	x
-S...		x	x	x	x
-s		x	x	x	x
-T		x	x		
-t		x	x	x	x
-U...	x	x	x	x	
-u	x	x	x	x	
-v		x			
-W...		x			
-w		x	x	x	x
-X...		x	x		
-x...		x	x		
-y		x			

ed	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-C							x
-E					x
-h		x
-G		x
-l		x
-p...	x	x	x	x	x	x	x	x
-s	x	x	x	x	x	x	x	x
-V		x
-v		x
-x			x	x	x	x	x	x

env	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-0		x
-i	x	x	x	x	x	x	x	x
-P...			x
-S...			x
-u...		x	x
-v			x

ex/vi	POSIX	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-C					ev	ev
-c...	ev	ev	ev	ev	ev	ev
-e		ev	 v	ev		
-F		ev	ev	ev		
-G		ev		e		
-L					ev	
-l		 v		 v	ev	ev
-R	ev	ev	ev	ev	ev	ev
-r	ev	ev	ev	ev	ev	ev
-S		ev	ev	ev		
-S					 v
-s	e	e	e	e	ev	e
-t...	ev	ev	ev	ev	ev	ev
-V					ev	 v
-v	e	ev	e	ev	ev	ev
-w...	ev	ev	ev	ev	ev	ev
-x					ev	ev
edit ex | vi view vedit

file	POSIX	FFF	SunOS	HP-UX
-0		x
-b		x
-C		x
-c		x	x	x
-d	x		x
-d		x
-e...		x
-F...		x
-f...		x	x	x
-h	x	x	x	x
-i	x		x
-i		x
-M...	x		x
-m...	x	x	x	x
-N		x
-n		x
-p		x
-r		x
-s		x
-v		x
-z		x

find	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-D...		x
-d			x	x	x	x
-E			x		x	x
-f...			x	x	x	x
-H	x	x	x	x	x	x	x	x
-h				x	x
-L	x	x	x	x	x	x	x	x
-O...		x
-P		x	x		x	x
-s			x		x	x
-X			x	x	x	x
-x			x	x	x	x
find	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
( )	x	x	x	x	x	x	x	x
!	x	x	x	x	x	x	x	x
,		x						
-a	x	x	x	x	x	x	x	x
-acl			x				x	x
-aclv								x
-amin		x	x	x	x	x		
-and		x	x	x	x	x		
-anewer		x	x	x	x	x		
-atime	x	x	x	x	x	x	x	x
-Bmin			x			x		
-Bnewer			x			x		
-Btime			x			x		
-cmin		x	x	x	x	x		
-cnewer		x	x	x	x	x		
-contex		x						
-cpio							o	x
-ctime	x	x	x	x	x	x	x	x
-d		o	o			o		
-daysta		x						
-delete		x	x		x	x		
-depth	x	x	x	x	x	x	x	x
-empty		x	x	x	x	x		
-exec	x	x	x	x	x	x	x	x
-execdi		x	x	x	x	x		
-execut		x						
-exit					x			
-false		x	x		x	x		
-flags			x	x	x	x		
-fls		x						
-follow		o	o	x	x	o	x	x
-fprint		x			x			
-fprint		x
-fsonly								x
-fstype		x	x	x	x	x	x	x
-gid		x	x			x		
-group	x	x	x	x	x	x	x	x
-ignore		x	i			i		
-ilname		x	x			x		
-iname		x	x	x	x	x		
-inum		x	x	x	x	x	x	x
-ipath		x	x			x		
-iregex		x	x		x	x		
-iwhole		x	x			x		
-linked								x
-links	x	x	x	x	x	x	x	x
-lname		x	x			x		
-local							x	x
-ls		x	x	x	x	x	x	
-maxdep		x	x	x	x	x		
-mindep		x	x	x	x	x		
-mmin		x	x	x	x	x		
-mnewer			x			x		
-mount		x	x			x	x	
-mounts								x
-mtime	x	x	x	x	x	x	x	x
-name	x	x	x	x	x	x	x	x
-ncpio							o	x
-newer	x	x	x	x	x	x	x	x
-newerX		x	x			x		x
-nogrou	x	x	x	x	x	x	x	x
-noigno		x	i			i		
-noleaf		x	i			i		
-not		x	x			x		
-nouser	x	x	x	x	x	x	x	x
-nowarn		x						
-o	x	x	x	x	x	x	x	x
-ok	x	x	x	x	x	x	x	x
-okdir		x	x			x		
-only								x
-or		x	x	x	x	x		
-path	x	x	x	x	x	x	x	x
-perm	x	x	x	x	x	x	x	x
-print	x	x	x	x	x	x	x	x
-print0		x	x	x	x	x		x
-printf		x						
-printx					x			
-prune	x	x	x	x	x	x	x	x
-quit		x						
-readab		x						
-regex		x	x		x	x		
-regext		x						
-rm					x			
-samefi		x	x			x		
-size	x	x	x	x	x	x	x	x
-true		x	x			x		
-type	x	x	x	x	x	x	x	x
-uid		x	x			x		
-used		x						
-user	x	x	x	x	x	x	x	x
-warn		x						
-wholen		x	x			x		
-writab		x						
-xattr							x	
-xautof		x						
-xdev	x	x	o	x	x	o	x	x
-xtype		x						

grep	POSIX	GNU	BSD	SunOS	HP-UX
-A...		x	x		
-a		x	x		
-B...		x	x		
-b		x	x		
-b				x	x
-C...		x	x!		
-c	x	x	x	x	x
-D...		x			
-d...		x			
-E	x	x	x	x	x
-e...	x	x	x	x	x
-F	x	x	x	x	x
-f...	x	x	x	x	x
-G		x	x		
-H		x			
-H			x
-h		x	x	x	x
-I		x	x		
-i	x	x	x	x	x
-L		x	x		
-l	x	x	x	x	x
-m...		x			
-n	x	x	x	x	x
-o		x			
-o			x
-P		x			
-P			x
-q	x	x	x	x	x
-R		x(-r)	x		
-S			x
-s	x	x	x	x	x
-T		x			
-U		x	x		
-u		x			
-V		x	x		
-v	x	x	x	x	x
-w		x	x	x	x
-x	x	x	x	x	x
-Z		x			
-Z			x		
-z		x			

head	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-c								x
-c...		x	x		x	x	
-n...	x	x	x	x	x	x	x	x
-q		x			x		
-v		x			x		

iconv	POSIX	Glibc	Glibico	NetBSD	SunOS	HP-UX
-?		x
-c	x	x	x	x	x	x
-f...	x	x	x	x	x	x
-l	x	x	x	x	x	x
-o...		x
-s	x	x	x	x	x	x
-t...	x	x	x	x	x	x
-V		x

id	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-A			x			x
-G	x	x	x	x	x	x	x	x
-g	x	x	x	x	x	x	x	x
-M			x			x
-P			x			x
-P								x
-p			x	x	x	x
-p							x
-n	x	x	x	x	x	x	x	x
-r	x	x	x	x	x	x	x	x
-u	x	x	x	x	x	x	x	x
-Z		x

join	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-1...	x	x	x	x	x	x	x	x
-2...	x	x	x	x	x	x	x	x
-a...	x	x	x	x	x	x	x	x
-e...	x	x	x	x	x	x	x	x
-i		x						
-j...		x						
-o...	x	x	x	x	x	x	x	x
-t...	x	x	x	x	x	x	x	x
-v...	x	x	x	x	x	x	x	x

ln	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-b		x						
-d|-F		x						
-F			x			x		
-f	x	x	x	x	x	x	x	x
-h			x	x	x	x		
-i		x	x		x	x		x
-L	x	x	x					
-n		x	o	x	x	x		
-P	x	x	x					
-s	x	x	x	x	x	x	x	x
-S...		x						
-t...		x						
-v		x	x		x	x		
-w			x					

locale	POSIX	glibc	FreeBSD	NetBSD	Darwin	SunOS	HP-UX
-?		x
-A							x
-a	x	x	x	x	x	x	x
-c	x	x	x	x	x	x	x
-k	x	x	x	x	x	x	x
-m	x	x	x	x	x	x	x
-V		x
-v		x

man	POSIX	Redhat	man-db	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-7			x
-a		x	x	x	x	x	x	
-C...		x	x		x	x		
-c		x						
-c					x	x		
-D		x						
-d		x	x	x			x	
-E...			x
-e...			x
-F		x			
-F							x	
-f		x	x	x	x		x	x
-H[.]
-h		x	x	x				
-h					x	x		
-i			x
-K		x	x					
-k	x	x	x	x	x	x	x	x
-L...			x
-l			x
-l							x	
-M...		x	x	x	x	x	x	x
-m...		x	x	x				
-m...					x	x		
-o				x				
-P...		x		x				
-u			x
-p...		x	x	x				
-R...			x
-r...			x
-r							x	
-S...		x	x	x				
-S...					x	x		
-s...		h	x		x	x	x	
-T[.]			x
-T...							x	x
-t		x	x	x			x	
-u			x
-V		x	x
-W		x						
-W			x
-w		x	x	x	x	x		
-X[.]			x
-Z			x

mkdir	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-m...	x	x	x	x	x	x	x	x
-p	x	x	x	x	x	x	x	x
-v		x	x			x
-Z...		x

more	POSIX	Linux	SunOS	HP-UX
-c	x	x	x	x
-d		x	x	x
-e	!		x	x
-f		x	x	x
-i	x		x	x
-l		x	x	
-n...	x		x	x
-p		x		
-p...	x		x	x
-r			x	
-s	x	x	x	x
-t...	x		x	x
-u	x	x	x	x
-v				x
-W...				x
-w			x	
-x...				x
-z				x

mv	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-f|-i	x	x	x	x	x	x	x	x
-b		x				
-e...								x
-n		x	x			x
-S...		x				
-t...		x				
-T		x				
-u		x				
-v		x	x		x	x

nl	POSIX	GNU	FreeBSD	NetBSD	Darwin	SunOS	HP-UX
-b...	x	x	x	x	x	x	x
-d...	x	x	x	x	x	x	x
-f...	x	x	x	x	x	x	x
-h...	x	x	x	x	x	x	x
-i...	x	x	x	x	x	x	x
-l...	x	x	x	x	x	x	x
-n...	x	x	x	x	x	x	x
-p	x	x	x	x	x	x	x
-s...	x	x	x	x	x	x	x
-v...	x	x	x	x	x	x	x
-w...	x	x	x	x	x	x	x

od	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-A...	x	x	x	x	x	x	x	x
-a		x	x	x	x	x		
-B		-o	-o	-o	-o	-o		
-b	x	x	x	x	x	x	x	x
-C							x	
-c	x	x	x	x	x	x	x	x
-D		x	x			x	x	
-D				x
-d	x	x	x	x	x	x	x	x
-e		-F	-F	-F	-F	-F		
-F		x	x	x	x	x	x	
-f		x	x	x	x	x	x	
-H		-X	-X	-X	-X	-X		
-h		-x	-x	-x	-x	-x		
-I		-l	-l	-l	-l	-l		
-i		x	x	x	x	x		
-j...	x	x	x	x	x	x	x	x
-L		-l	-l	-l	-l	-l		
-l		x	x	x	x	x		
-N...	x	x	x	x	x	x	x	x
-O		x	x	x	x	x	x	
-o	x	x	x	x	x	x	x	x
-S...		x						
-S							x	
-s	x	x	x			x	x	x
-t...	x	x	x	x	x	x	x	x
-v	x	x	x	x	x	x	x	x
-w[.]		x						
-X		x	x	x	x	x	x	
-x	x	x	x	x	x	x	x	x

patch	POSIX	GNU	SunOS	HP-UX
-B...		x		
-b	x	x	x	x
-c	x	x	x	x
-D...	x	x	x	x
-d...	x	x	x	x
-E		x		
-e	x	x	x	x
-F...		x		x
-f		x		x
-g...		x		
-i...	x	x	x	x
-l	x	x	x	x
-N	x	x	x	x
-n	x	x	x	x
-o...	x	x	x	x
-p...	x	x	x	x
-R	x	x	x	x
-r...	x	x	x	x
-S				x
-s		x		x
-T		x		
-t		x		
-u	x	x	x	
-V...		x		
-v		x		x
-x		x		x
-Y...		x		
-Z		x		
-z...		x		

pr	POSIX	GNU	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
+...	x	x	x	x	x	x	x	x
-...	x	x	x	x	x	x	x	x
-a	x	x	x	x	x	x	x	x
-c		x						
-c...								x
-D...		x						
-d	x	x	x	x	x	x	x	x
-e[.]	x	x	x	x	x	x	x	x
-F	x	x	x	x	x	x	x	x
-f	x	x	x	x		x	x	x
-h...	x	x	x	x	x	x	x	x
-i[.]	x	x	x	x	x	x	x	x
-J		x						
-L...			x			x		
-l...	x	x	x	x	x	x	x	x
-m	x	x	x	x	x	x	x	x
-N...		x						
-n[.]	x	x	x	x	x	x	x	x
-o...	x	x	x	x	x	x	x	x
-p	x		x			x	x	x
-r	x	x	x	x	x	x	x	x
-S[.]		x						
-s[.]	x	x	x	x	x	x	x	x
-T		x						
-T...					x			
-t	x	x	x	x	x	x	x	x
-v		x						
-W...		x						
-w...	x	x	x	x	x	x	x	x

ps	POSIX	procps	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
-A	x	x			x	x	x	x
-a	x	x	x	x	x	x	x	x
a		x
-C...		x						x
C			-C	-C	-C	-C		
-c		x					x	x
c		x	-c	-c	-c	-c		
-d	X	x				x	x	x!
d			-d					
-e	X=-A	=-A				=-A	=-A	=-A
e		x	-e	-e	-e	-E		
-F		x						
-f	X	x				x	x	x
f		x						
f			-f					
-G...	x	x	x			x	x	x!
-g...	X	x!				x!	x!	x!
g		o						
-H		x						x
H		x	-H					
h		x!	-h	-h	-h	-h		
-j		x	x	x	x	x	x	x
j		x						
k...		x			-k			
k				-k				
-L		x					x	
L		x	-L	-L	-L	-L		
-l	X	x	x!	x!	x!	x	x	x
l		x						
-M		=-Z						
M...			-M	-M	-M			
M						-M		
-m		x						
m		=-m						
m			-m	-m	-m	-m		
-N		x						
N...		=-n	-N	-N	-N			
-n...	X	x					i	i
n		x						
-O...		x	x	x	x	x		
O...		x!						
-o...	x	x	x	x	x	x	x	x
o...		=-o						
-P		x					x	
-P								x
-p...	x	x	x	x	x	x	x	x
p...		=-p						
-R...								x
r		x						
r			-r	-r	-r	-r		
S		x	-S	-S	-S	-S		
-s...		x					x	x
s		x						
s					-s			
-T		x						
T		x	-T	-T	-T	-T		
-t...	x	x	x	x	x	x	x	x
t...		=-t						
-U...	x	x	x	x	x	x	x	x
U...		=-u						
-u...	X	x				x	x	x!
u		x	-u	-u	-u			
-V		x						
V		=-V						
v		x	-v	-v	-v	-v		
W...				-W	-W			
-w		x	x	x	x	x		
w		=-w						
X		x						
X			-X			-X		
-x								x
x		x	-x	-x	-x	-x		
-y		x					x	
-Z		x	x					
-Z							x	
-Z...								x
Z		=-Z						
-z...							x	
ps	POSIX	procps	FreeBSD	OpenBSD	NetBSD	Darwin	SunOS	HP-UX
%cpu		=pcpu	=pcpu	=pcpu	=pcpu	=pcpu		
%mem		=pmem	=pmem	=pmem	=pmem	=pmem		
acflag			x	x	x	x		
acflg			=acflag	=acflag	=acflag	=acflag		
addr							x	
args	x	x	x	x	x	x	x	
blocked		x	x	x	x	x		
bsdstar		x						
bsdtime		x						
c		x					o	
caught		x	x	x	x			
class		x					x	
cls		=class						
cmd		=args						
comm	x	x	x	x	x	x	x	x
command		=args	=args	=args	=args	=args		
cp		x						
cpu			x	x	x	x		x
cpuid				x	x			
cputime		=time	=time	=time	=time	=time		
ctid							x	
ctime					x			
dsiz				x				
egid		=gid			=gid			
egroup		=group			=group			
eip		x						
emul				x	x			
esp		x						
etime	x	x	x	x	x	x	x	x
euid		=uid			=uid			
euser		=user			=user			
f		=flags	=flags	=flags	=flags	=flags	x	
fgid		=fsgid						
fgroup		=fsgrou						
flag		=flags						
flags		x	x	x	x	x		x
fname		x					x	
fsgid		x						
fsgroup		x						
fsuid		x						
fsuser		x						
fuid		=fsuid						
fuser		=fsuser						
gid		x		x	x	=group	x	x
group	x	x		x	x	x	x	x
groupna					x			
groups					x			
ignored		x	x	x	x			
inblk			=inbloc	=inbloc	=inbloc	=inbloc		
inblock			x	x	x	x		
intpri								x
jid			x					
jobc			x	x	x	x		
ktrace			x	x	x	x		
ktracep				x	x	x		
label		x	x					
laddr					x			
lid					x			
lim				x	x	x		
login				=lognam	=lognam			
logname				x	x	x		
lstart		x	x	x	x	x		
lstate					x			
lwp		=tid					x	
majflt			x	x	x	x		
minflt			x	x	x	x		
msgrcv			x	x	x	x		
msgsnd			x	x	x	x		
mwchan		x?	x					
ni		=nice	=nice	=nice	=nice	=nice		
nice	x	x	x	x	x	x	x	x
nivcsw			x	x	x	x		
nlwp		=thcoun			x		x	
nsignal			x	x	x	x		
nsigs			=nsigna	=nsigna	=nsigna	=nsigna		
nswap			x	x		x		
nvcsw			x	x	x	x		
nwchan		x	x	x		x		
opri							x	
osz							x	
oublk			=oubloc	=oubloc	=oubloc	=oubloc		
oublock			x	x	x	x		
p_ru				x	x	x		
paddr			x	x	x	x		
pagein			=majflt	=majflt	=majflt	=majflt		
pcpu	x	x	x	x	x	x	x	x
pending		x	x	x	x	x		
pgid	x	x	x	x	x	x	x	x
pgrp		=pgrp						
pid	x	x	x	x	x	x	x	x
pmem		x	x	x	x	x	x	
poip			x					
ppid	x	x	x	x	x	x	x	x
pri			x	x	x	x	x	x
prmgrp								x
prmid								x
projid							x	
project							x	
pset							x	x
psr		x					x	
putime						=utime		
re			x	x	x	x		
rgid		x	x	x	x	x	x	x
rgroup	x	x	x	x			x	x
rlink			x	x	x			
rlwp					x			
rss		x	x	x	x	x	x	
rssize		=rss		=rsz	=rsz			
rsz		=rss		x	x			
rtprio		x	x					
ruid		x	x	x	x	x	x	x
ruser	x	x	x	x	x	x	x	x
s		=state					x	
sched		x						
sess		=sid		x	x	x		
session		=sid						
sgi_p		x						
sgid		=svgid						
sgroup		=svgrou						
sid		x	x		x		x	x
sig		=pendin	=pendin	=pendin	=pendin	=pendin		
sigcatc		=caught	=caught	=caught	=caught			
sigigno		=ignore	=ignore	=ignore	=ignore			
sigmask		=blocke	=blocke	=blocke	=blocke	=blocke		
size		x						
sl			x	x	x	x		
spid		=tid						
ssiz				x				
stackp		x						
start		x	x	x	x	x		
start_t		x						
stat		x	=state	=state	=state	=state		
state		x	x	x	x	x		x
stime					x		x	x
suid		=svuid						
suser		=svuser						
svgid		x	x	x	x	x		
svgroup		x			x			
svuid		x	x	x	x	x		
svuser		x			x			
sz		x						x
taskid							x	
tdev			x	x	x	x		
thcount		x						
tid		x						
time	x	x	x	x	x	x	x	x
tname		=tty						
tpgid		x	x	x	x	x		
tsess				x	x	x		
tsid			x					
tsiz				x	x	x		
tt		=tty	x	x	x	x		
tty	x	x	x	x	x	x	x	x
uaddr					x			
ucmd		=comm						
ucomm		=comm	=comm	=comm	x	x		
uid		x	x	x	x	x	x	x
upr			x	x	x	x		
uprocp			x					
usrpri				=upr	=upr	=upr		
user	x	x	x	x	x	x	x	x
utime						x		
vsize		=vsz		=vsz				
vsz	x	x	x	x	x	x	x	x
wchan		x	x	x	x	x	x	x
wq						x		
wqb						x		
wqr						x		
xstat			x	x	x	x		
zone							x	
zoneid							x	

ps	POSIX	GNU	Darwin	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-a			x	x	x	x		
-b		x						
-c		x						
-E			x	x	x	x		
-e...	x	x	x	x	x	x	x	x
-f...	x	x	x	x	x	x	x	x
-I...				x				
-i...			x	x				
-i[.]		x						
-l			x	x				
-l...		x						
-n	x	x	x	x	x	x	x	x
-r		x		=-E	=-E	=-E		
-s		x						
-u		x(io)			x(o)			

su	GNU	Darwin	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-a...				x			
-c...	x						
-c...			x	x	x		
-d					x		
-d							x
-f	x	x	x	x	x!		
-K					x		
-L				x			
-l	x	x	x	x	x		
-m	x	x	x	x	x		
-p	-m						
-s...	x			x			
-s			x				

SUSv2, GNU tar 1.25, BSD tar 2.8, 
tar	POSIX	GNU	BSD	OpenBSD NetBSD	SunOS	HP-UX
-?		x					
-0				x	x		
-1				x	x		
-4				x	x		
-5				x	x		
-7				x	x		
-8				x	x		
-[0-7]						x	
-A		x					
-A							x
-a		x					
-B		x	i		x	x	
-b	x...	x...	x...	x...	x...	x...	x...
-C		x...	x...	x...	x...	x...2	
-c	x	x	x	x	x	x	x
-D						x	
-d		x					
-E						x	
-e				x	x	x	
-e							x
-F		x...					
-F						x	
-f	x...	x...	x...	x...	x...	x...	x...
-G		x					
-g		x...					
-H		x...					
-H			x	x	x		
-h		x	x	x	x	x	x
-I		x...					
-I			-T...	x...			
-i		x
-i						x	
-J		x	x				
-j		x	x	x	x	x	
-K		x...					
-k		x	x		x		
-L		x...	-h	-h			
-l	x	x	x			x	x
-l					x		
-M		x					
-m	x	x	x	x	x	x	x
-N		x...					
-N				x			
-N							x
-n		x				x	
-n			x				
-O		x	x		x!		
-O				x!	x!		x!
-o	x	x!	x!		x!	x	x!
-o		x!	x!	x	x!		x!
-P		x	x	x	x	x	
-p		x	x	x	x	x	x
-q			x	x	x		
-R		x					
-r	x	x	x	x	x	x	x
-S		x	x		x		
-s		x					
-s			x...	x...	x...		
-T		x...	x...		x...		
-T						x	
-t	x	x	x	x	x	x	x
-U		x	x				
-u	x	x	x	x	x	x	x
-V		x...					
-V							x
-v	x	x	x	x	x	x	x
-W		x					
-W			x...				
-w	x	x	x	x	x	x	x
-X		x...	x...		x...	x...	
-X				x			
-x	x	x	x	x	x	x	x
-y			-j				
-Z		x	x	x	x	x	
-z		x	x	x	x	x	
absolute-names	-P					
absolute-paths		-P		-P		
after-date	-N...					
anchored	x					
append		-r	-r		-r		
atime-preserve	x[.]			x		
auto-compress	-a					
backup		x...					
block-number	-R					
blocking-factor	-b...			-b...		
block-size		-b...				
bunzip2					-j		
bzip			-j				
bzip2		-j	-j		-j		
catenate	-A					
cd			-C...				
check-device	x					
checkpoint	x[.]					
checkpoint-acti	x					
check-links	-l	-l				
chroot			x		x		
compare		-d					
compress	-Z	-Z		-Z		
concatenate	-A					
confirmation	-w	-w		-w		
create		-c	-c		-c		
delay-directory	x					
delete		x					
dereference	-h	-L		-h		
diff		-d					
directory	-C...	-C...		-C...		
exclude		x...	x...				
exclude-backups	x					
exclude-from	-X...	-X...		-X...		
exclude-caches	x					
exclude-caches-	x					
exclude-caches-	x					
exclude-tag	x...					
exclude-tag-und	x...					
exclude-tag-all	x...					
exclude-vcs	x					
extract		-x	-x		-x		
fast-read		-q		-q		
file		-f...	-f...		-f...		
files-from	-T...	-T...		-T...		
force-local	x			x		
format		-H...	x...				
full-time	x				
get		-x			-x		
group		x...					
gunzip		-z	-z		-z		
gzip		-z	-z		-z		
hard-dereferenc	x					
help		-?	x				
ignore-case	x					
ignore-command-	x					
ignore-failed-r	x					
ignore-zeros	-i					
include			x...				
incremental	-G					
index-file	x...					
info-script	-F...					
insecure		-P		x		
interactive	-w	-w		-w		
keep-newer-file	x	x				
keep-old-files	-k	-k		-k		
label		-V...					
level		x...					
list		-t	-t		-t		
listed-incremen	-g...					
lzip		x					
lzma		x	x				
lzop		x					
mode		x...					
modification-ti		-m		-m		
mtime		x...					
multi-volume	-M					
newer		-N...					
newer-ctime		x...				
newer-ctime-tha		x...				
newer-mtime	x...	x...				
newer-mtime-tha		x...				
newer-than		x...				
new-volume-scri	-F...					
no-anchored	x					
no-auto-compres	x					
no-check-device	x					
no-delay-direct	x					
nodump			x				
no-ignore-case	x					
no-ignore-comma	x					
no-null		x					
no-overwrite-di	x					
no-quote-chars	x...					
norecurse		-n				
no-recursion	x	-n		x		
no-same-owner	-o	-o				
no-same-permiss	x	x				
no-seek		x					
no-selinux	x					
no-unquote	x					
no-xattrs	x					
no-wildcards	x					
no-wildcards-ma	x					
null		x	x				
numeric-owner	x	x				
occurrence	x[.]					
old-archive	-o!			-o		
one-file-system	x	x		-l		
options			x...				
overwrite	x					
overwrite-dir	x					
owner		x...					
pax-option	x...					
portability	-o!			-o		
posix		x					
preserve	x			-p		
preserve-order	-s					
preserve-permis	-p	-p		-p		
quote-chars	x...					
quoting-style	x...					
read-full-block		-B		-B		
read-full-recor	-B					
record-size	x...					
recursion	x					
recursive-unlin	x					
remove-files	x					
restrict	x					
rmt-command	x...					
rsh-command	x...					
same-order	-s					
same-owner	x	x				
same-permission	-p	-p				
seek		-n					
selinux		x					
show-defaults	x					
show-omitted-di	x					
show-stored-nam	x					
show-transforme	x					
sparse		-S			-S		
sparse-version	x...					
starting-file	-K...					
strict					x		
strip-component	x...	x...				
suffix		x...					
tape-length	-L...					
test-label	x					
to-command	x...					
to-stdout	-O	-O				
totals		x[.]	x				
touch		-m					
tramsform	x...					
uncompress	-Z	-Z		-Z		
ungzip		-z					
unlink			-U		i		
unlink-first	-U	-U				
unquote		x					
update		-u	-u		-u		
use-compress-pr	-I...	x...		x...		
utc		x					
verbose		-v	-v				
verify		-W					
version		x	x				
volno-file	x...					
warning		x...					
wildcards	x					
wildcards-match	x					
xattrs		x					
xform		x...					
xz		-J	-J				
@...			x				
SunOS tar always treats the first argument as an old-style option, ignoring the
preceding hyphen. Only the -C and -I options can/must be specified separately.
Note that the -C option takes two arguments.
HP-UX tar always treats the first argument as an old-style option, ignoring the
preceding hyphen. Only the -C option can/must be specified separately, which
takes one argument.

time	POSIX	GNU	Darwin	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-a		x		x				
-c						x		
-f...		x						
-h				x				
-l			x	x	x	x		
-o...		x		x				
-p	x	x	x	x	x	x	x	x
-V		x						
-v		x						

useradd	shadow	OpenBSD	NetBSD	SunOS	HP-UX
-A...				x	
-b...	x	x	x	x	x
-c...	x	x	x	x	x
-d...	x	x	x	x	x
-D	x	x	x	x	x
-e...	x	x	x	x	x
-F			x		
-f...	x	x	x	x	x
-G...	x	x	x	x	x
-g...	x	x	x	x	x
-h	x				
-i					x
-K.=.	x			x	
-k...	x	x	x	x	x
-L...		x	x		
-l	x				
-M	x				
-M...			x		
-m	x	x	x	x	x
-N	x				
-O...					x
-o	x	x	x	x	x
-P...				x	
-P					x
-p...	x	x	x		x
-p...				x	
-R...				x	
-r	x				
-r...		x			
-r...					x
-S			x		
-S...					x
-s...	x	x	x	x	x
-t...					x
-U	x				
-u...	x	x	x	x	x
-v		x	x		
-Z...	x				

which	GNU	Darwin	FreeBSD	OpenBSD	NetBSD	SunOS	HP-UX
-a	x	x	x	x	x
-i	x
-s		x	x
-v,-V	x


vim: ts=8
