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Full Discussion: Getting date -1 day not using GNU date
Top Forums UNIX for Dummies Questions & Answers Getting date -1 day not using GNU date Post 302512147 by DGPickett on Friday 8th of April 2011 01:11:48 PM
Old 04-08-2011
Tricky, using the time stamp in hours! However, the problem is you used the Solaris date, not the GNU/LINUX date. You can get trusted Solaris binaries or source and configure/make your own GNU utilities. Solaris may even have them on their CDs now, since I saw them a lot. You may have them in /usr/local/bin or some such place not high enough on your $PATH.

ksh93 and bash have date operations built-in.
 

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LEARN ABOUT OPENSOLARIS

grub

grub(5) 						Standards, Environments, and Macros						   grub(5)

NAME

       grub - GRand Unified Bootloader software on Solaris

DESCRIPTION

       The  current  release  of the Solaris operating system is shipped with the GRUB (GRand Unified Bootloader) software.  GRUB is developed and
       supported by the Free Software Foundation.

       The overview for the GRUB Manual, accessible at www.gnu.org, describes GRUB:

       Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring  con-
       trol  to an operating system kernel software (such as Linux or GNU Mach). The kernel, in turn, initializes the rest of the operating system
       (for example, a GNU [Ed. note: or Solaris] system).

       GNU GRUB is a very powerful boot loader that can load a wide variety of free, as well as proprietary, operating systems, by means of chain-
       loading.  GRUB  is designed to address the complexity of booting a personal computer; both the program and this manual are tightly bound to
       that computer platform, although porting to other platforms may be addressed in the future. [Ed. note: Sun has ported GRUB to  the  Solaris
       operating system.]

       One  of the important features in GRUB is flexibility; GRUB understands filesystems and kernel executable formats, so you can load an arbi-
       trary operating system the way you like, without recording the physical position of your kernel on the disk. Thus you can load  the  kernel
       just by specifying its file name and the drive and partition where the kernel resides.

       Among  Solaris  machines, GRUB is supported on x86 platforms. The GRUB software that is shipped with Solaris adds two utilities not present
       in the open-source distribution:

       bootadm(1M)	  Enables you to manage the boot archive and make changes to the GRUB menu.

       installgrub(1M)	  Loads the boot program from disk.

       Both of these utilities are described in Solaris man pages.

       Beyond these two Solaris-specific utilities, the GRUB software is described in the GRUB manual, a PDF version of which  is  available  from
       the Sun web site.  Available in the same location is the grub(8) open-source man page.  This man page describes the GRUB shell.

SEE ALSO

       boot(1M), bootadm(1M), installgrub(1M)

       Solaris Express Installation Guide: Basic Installations

       System Administration Guide: Basic Administration

       http://www.gnu.org/software/grub

SunOS 5.11							    21 Apr 2005 							   grub(5)
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