04-19-2009
RedHat, Solaris - what is uname command ??
Hi ! All
I'm big fan of Unix/Linux . I want understand the basics of linux/unix version and How they are related to Vendor [ Solaris , HP, RH ]... releases.
uname -a will give the OS details. But can somebody provide me a pointer , to understand the very BASICS of these terminology like [ 32 -bit , 64 -bit , GNU,SPARC..etc. ]
Million Thanks.!!!
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LEARN ABOUT OPENSOLARIS
optisa
optisa(1) User Commands optisa(1)
NAME
optisa - determine which variant instruction set is optimal to use
SYNOPSIS
optisa instruction_set...
DESCRIPTION
optisa prints which instruction_set out of the ones specified in the command will perform best on this machine. In this case, ``best''
is defined by the order in which instruction set names are returned by isalist(1). Possible values for instruction_set are given in
isalist(5).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
EXIT STATUS
The following exit values are returned:
0 One of the instruction_set values you specified is printed by this command.
1 There is no output; that is, this machine cannot use any instruction_set that you specified with the optisa command.
SEE ALSO
isalist(1), uname(1), attributes(5), isalist(5)
NOTES
optisa is preferable to uname -p or uname -m (see uname(1)) in determining which of several binary versions of a given program should be
used on the given machine.
SunOS 5.11 25 Jul 1997 optisa(1)