2.4. Useful commands

The commands that are used to manage system startup, shutdown, and the related tasks are discussed in the following sections.

2.4.1. Using the alog command

There may be instances when you must trace the boot process and find out if something went wrong with the system during the boot process. AIX provides you with an excellent tool to monitor these problems through the help of the alog command.

The alog command can maintain and manage logs. It reads standard input, writes to standard output, and copies the output into a fixed-size file. This file is treated as a circular log. If the file is full, new entries are written over the oldest existing entries.

The rc.boot script explicitly redirects boot information through the ...

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