Linux Recipes for Oracle DBAs (Recipes: a Problem-Solution by Darl Kuhn

By Darl Kuhn

Linux Recipes for Oracle DBAs meets a urgent desire available on the market for Linux details through Oracle database directors. Database directors function in a “grey quarter” within which they typically act as standard Linux clients and at different occasions as “lightweight” approach directors. Linux Recipes for Oracle DBAs is the 1st publication to deal with their wishes by way of offering fast and ready-to-implement assistance for appearing the extraordinary mixture of Linux consumer and administrative projects that database directors needs to practice of their day-by-day paintings.

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After you’ve edited the command, press the Enter or Return key to have it executed. How It Works Your command history is a stored sequential list of all the commands you have previously entered. You can use any of the techniques described in the “Solution” section of this recipe to view and manipulate previously entered commands. fm Page 25 Tuesday, September 23, 2008 12:40 PM C HA PTER 2 ■ 2-2. bash_history. If your current working directory is your home directory, then you can view the contents of this file with a utility such as cat.

Setting the Command Editor You can use the set -o command to make your command-line editor be either vi or emacs. This example sets the command-line editor to be vi: $ set -o vi Now when you press Esc+K (press the Esc key and K key at the same time), you are placed in a mode where you can use vi commands to search through the stack of previously entered commands. For example, if you want to scroll up the command stack, you can use the K key, and similarly, you can scroll down using the J key. When in this mode, you can use the slash (/) key and then type a string to be searched for in the entire command stack.

Help: Show help. apropos: Display manual page documentation. info: List extensive documentation. Tab key: Show available commands. Each of the help methods in the previous list will be described in the following subsections. Reading Manual Pages The man (manual) page for a command displays online documentation for almost every shell command. The following command displays information about man: $ man man Here’s a partial listing of the output: NAME man - format and display the on-line manual pages SYNOPSIS man [-acdfFhkKtwW] [--path] [-m system] [-p string] [-C config_file] [-M pathlist] [-P pager] [-S section_list] [section] name ...

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