HP Visualize b160L hp Visualize workstation b132L, b132L plus, b160L, b180L se - Page 235
stand/vmunix.prev, ISL User Commands
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Boot Console Interface ISL Environment 2 Answering yes (y) causes the ISL to be loaded from the specified device. After a short time, the following prompt appears on your screen: ISL> ISL is the program that actually controls the loading of the operating system. By interacting with ISL, you can choose to load an alternate version of the HP-UX operating system. For example, if the usual kernel (/stand/vmunix) on your root disk (fwscsi.6.0) has become corrupted, and you wish to boot your workstation from the backup kernel (/stand/vmunix.prev), type the following at the ISL> prompt: ISL> hpux /stand/vmunix.prev ISL User Commands The following commands available in the ISL environment allow you to display and modify the boot characteristics of the system. • help - lists ISL command menu and available utilities. • display - displays the boot and console paths in Stable Storage and the current setting of the ISL Boot Flags. • primpath - modifies the primary boot path entry in Stable Storage. The entry in Stable Storage for the primary boot device begins at byte address 0 and ends at byte address 31. • altpath - modifies the alternate boot path entry in Stable Storage. The entry for the alternate boot device begins at byte address 128 and ends at 159. 213