详细看当前系统使用的版本 _云知道

The /etc/release file was first introduced on Solaris 2.5.1 Hardware 4/97 and can be found on all subsequent Solaris versions.
The purpose of the /etc/release file is to easily determine the base OS or upgraded OS installed.
The /etc/release file is the same whether obtained from the installed operating system, the cdrom, or the installation image on hard disk.

EXAMPLE:

/etc/release
/cdrom/solaris_2_5_1_hw1197_sparc/s0/Solaris_2.5.1/SUNWsolnm/reloc/etc
image_path.../Solaris_2.5.1/SUNWsolnm/reloc/etc

Below are a listing of the contents for the specifIEd OS versions.

=========================================================================
SOLARIS 2.5.1
=========================================================================
Solaris 2.5.1 4/97

image_path/Solaris_2.5.1/SUNWsolnm/reloc/etc

# more release
Solaris 2.5.1 Hardware: 4/97 SPARC
Copyright 1997 Sun Microsystems, Inc. All Rights Reserved.
Manufactured in the USA 16 April 1997
-----------------------------------------------------------------------
Solaris 2.5.1 8/97

/image_path/Solaris_2.5.1/SUNWsolnm/reloc/etc

# more release
Solaris 2.5.1 Hardware: 8/97 s596hw2_09 SPARC
Copyright 1997 Sun Microsystems, Inc. All Rights Reserved.
Manufactured in the USA 29 July 1997
-----------------------------------------------------------------------
Solaris 2.5.1 11/97

/image_path/Solaris_2.5.1/SUNWsolnm/reloc/etc

# more release
Solaris 2.5.1 Hardware 11/97 s596hw3_11 SPARC
Copyright 1997 Sun Microsystems, Inc. All Rights Reserved.
Manufactured in the USA 04 November 1997

=========================================================================
SOLARIS 2.6
=========================================================================

Solaris 2.6

/cdrom/sol_2_6_sparc_smcc_svr/s0/Solaris_2.6/Product/SUNWsolnm/reloc/etc

# more release
Solaris 2.6 s297s_smccServer_37cshwp SPARC
Copyright 1996 Sun Microsystems, Inc. All Rights Reserved.
Manufactured in the USA 18 July 1997
-----------------------------------------------------------------------

Solaris 2.6 3/98

# more release
Solaris 2.6 HW:2 s297s_hw2smccDesktop_09 SPARC
Copyright 1998 Sun Microsystems, Inc. All Rights Reserved.
Assembled on 03 February 1998
-----------------------------------------------------------------------

Solaris 2.6 5/98

# more release
Solaris 2.6 5/98 s297s_hw3smccDesktop_09 SPARC
Copyright 1998 Sun Microsystems, Inc. All Rights Reserved.
Assembled on 24 April 1998
-----------------------------------------------------------------------

Solaris 2.6 Maintenance Update 2

# more /etc/release
Solaris 2.6 s297s_smccServer_37cshwp SPARC
Copyright 1996 Sun Microsystems, Inc. All Rights Reserved.
Manufactured in the USA 18 July 1997
Solaris 2.6 Maintenance Update 2, Assembled April 1998
=========================================================================
SOLARIS 7
=========================================================================

Solaris 7 FCS

/cdrom/sol_7_sparc_sun_srvr/s0/Solaris_2.7/Product/SUNWsolnm/reloc/etc

# more release
Solaris 7 s998s_SunServer_21al2b SPARC
Copyright 1998 Sun Microsystems, Inc. All Rights Reserved.
Assembled 06 October 1998
-----------------------------------------------------------------------

Solaris 7 3/99

/cdrom/sol_7_399_sparc_sun_srvr/s0/Solaris_2.7/Product/SUNWsolnm/reloc/etc

# more release
Solaris 7 3/99 s998s_u1SunServer_10 SPARC
Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
Assembled 26 January 1999
-----------------------------------------------------------------------

Solaris 7 5/99

/cdrom/sol_7_599_sparc_sun_srvr/s0/Solaris_2.7/Product/SUNWsolnm/reloc/etc

# more release
Solaris 7 5/99 s998s_u2SunServer_09 SPARC
Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.

详细看当前系统使用的版本

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