The .lpi command

The .lpi command sets the number of lines per inch for output. If the printer does not support the specified number of lines per inch, this command has no affect.

Note: 

It may be necessary to change the term setting to get the required number of lines to print on a page.

Syntax

.lpi number.lines

Parameter(s)

number.lines - Specifies the number of lines per inch. The default is 6.

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Linux Professional

Linux Professional Institute‘s Linux Professional Track is designed to evaluate the knowledge and skills of Linux systems administrators. To keep pace with evolving technology, the exam objectives are updated on average every three years and Linux Professional Institute certifications are valid for five years before you must recertify or certify at a higher level.

Linux Professional Institute LPIC-1 tests ability to perform maintenance tasks with the command line, install and configure a computer running Linux and be able to configure basic networking.

Prerequisites: There are no prerequisites for this certification.
Requirements: Passing the 101 and 102 exams. Each 90-minute exam is 60 multiple-choice and fill-in-the-blank questions.
Validity period: 5 years unless retaken or higher level is achieved.

101-500: Linux Administrator - 101 (LPIC-1 101)
102-500: Linux Administrator - 102 (LPIC-1 102)

Linux Professional Institute LPIC-2 tests ability to administer small to medium–sized mixed networks.

Prerequisites: An active LPIC-1 certification.
Requirements: Passing exams 201 and 202. Each 90-minute exam is 60 multiple-choice and fill-in-the-blank questions.
Validity period: 5​ years unless retaken or higher level is achieved.

201-450: Linux Engineer - 201 (LPIC-2 201)
202-450: Linux Engineer - 202 (LPIC-2 202)

Linux Professional Institute LPIC-3 Enterprise Mixed Environment tests ability to integrate Linux services in an enterprise-wide mixed environment.

Prerequisites: An active LPIC-2 certification.
Requirements: Passing the 300 exam. The 90-minute exam is 60 multiple-choice and fill-in-the-blank questions.
Validity period: 5 years

LPIC-3 300: Linux Enterprise Professional Mixed Environment

Linux Professional Institute LPIC-3 Enterprise Security tests ability to secure and harden Linux-based servers, services and networks enterprise-wide.

Prerequisites: An active LPIC-2 certification.
Requirements: Passing the 303 exam. The 90-minute exam is 60 multiple-choice and fill in the blank questions.
Validity period: 5 years

LPIC-3 303: Linux Enterprise Professional Security

Linux Professional Institute LPIC-3 Enterprise Virtualization and High Availability tests ability to plan and implement enterprise-wide virtualization and high availability setups using Linux-based technologies.

Prerequisites: An active LPIC-2 certification.
Requirements: Passing the 304 exam. The 90-minute exam is 60 multiple-choice and fill in the blank questions.
Validity period: 5 years

LPIC-3 304: Linux Enterprise Professional Virtualization and High Availability