RE: Redhat Linux versions

[Samba]

Thank u very much bob

Thanks and regards
Samba
Four Soft Ltd
+91 40 23100600 / 601 ext 6111/ 6222
 
-----Original Message-----
From: Bob Proulx [mailto:address@hidden 
Sent: Saturday, May 12, 2007 9:08 PM
To: Samba
Cc: address@hidden
Subject: Re: Redhat Linux versions

Samba wrote:
> No I am asking using uname command option to check the OS bit
versions.

The uname command may be used to report the kernel uname data in the
utsname structure.  Use of data from this structure other than the
system name is not portable because different operating systems record
different information there.

  man 2 uname

The 'uname -m' option will return the machine hardware name.  There
are many possibilities for a 32-bit or 64-bit system.  Here is one
possibility that first checks the system name and then checks the
output from -m after the system name is known.  Doing it this way
avoids some of the portability problems.

  case $(uname) in
    Linux)
      case $(uname -m) in
        x86_64|ia64) echo "64-bit" ;;
        i386|i486|i586|i686) echo "32-bit" ;;
        *) echo "machine not in list" 1>&2 ;;
      esac
    *)
      echo "system not in list" 1>&2
      ;;
  esac

But there are probably better ways to do it.  List based systems are
generally bad because the list is almost always out of date
immediately.

Bob
 
 
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