Linux admin interview questions 1. How do you take a single line of input from the user in a shell script? 2. Write a script to convert all DOS style backslashes to UNIX style slashes in a list of files. 3. Write a regular expression (or sed script) to replace all occurrences of the letter ‘f’‚ followed by any number of characters‚ followed by the letter ‘a’‚ followed by one or more numeric characters‚ followed by the letter ‘n’‚ and replace what’s found with the string “UNIX”.
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WINDOWS 8 Introduction: Windows 8 is an operating system produced by Microsoft for use on personal computers‚ including home and business desktops‚ laptops‚ tablets‚ and home theater PCs. Development of this operating system started before the release of its predecessor in 2009. Its existence was first announced in January 2011 at Consumer Electronics Show. During its development and test phases‚ Microsoft released three pre-release versions:
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: Linux and Unix Unix is popular operating system‚ developed by AT&T in 1969 and it has been very important to the development of the Internet. It is a multi-processing‚ multi-user‚ family of operating systems that run on a variety of architechtures. UNIX allows more than one user to access a computer system at the same time. A widely used Open Source Unix-like operating system kernel. Linux was first released by its inventor Linus Torvalds in 1991. Combining the Linux kernel with the GNU software
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Hamish Whittal Shell Scripting by Hamish Whittal Published 2005-01-25 22:36:19 Copyright © 2004 The Shuttleworth Foundation Unless otherwise expressly stated‚ all original material of whatever nature created by the contributors of the Learn Linux community‚ is licensed under the Creative Commons [http://creativecommons.org/] license Attribution-ShareAlike 2.0 [http://creativecommons.org/licenses/by-sa/2.0/] [http://creativecommons.org/licenses/by-sa/2.0/]. What follows is a copy of the "human-readable
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Is the Purpurin Extract from the Madder Plant a Viable Alternative to the Cobalt Used in Lithium-ion Batteries? In our modern world today‚ mankind’s surge in technological advances has made batteries a ubiquitous necessity in our daily lifestyles. The most popular form of battery is the lithium-ion (Li-ion) battery (Brain)‚ which is used an array of devices ranging from laptops and cellphones (Brain) to electric cars (Puiu). However‚ there is a need at the moment to develop a more sustainable
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6 Stages of Linux Boot Process (Startup Sequence) Press the power button on your system‚ and after few moments you see the Linux login prompt. Have you ever wondered what happens behind the scenes from the time you press the power button until the Linux login prompt appears? The following are the 6 high level stages of a typical Linux boot process. 1. BIOS BIOS stands for Basic Input/Output System Performs some system integrity checks Searches‚ loads‚ and executes the boot loader program
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on time‚ and also for applications that depend on keeping good time. 2. “Root” is the user name or account that by default has access to all commands and files on a Linux OS. It is also referred to as the root account‚ root user and the superuser. 3. It is intended primarily for workstation use--i.e.‚ personal computing on a Linux box. 4. “p” for primary‚”e” for extended‚ and “l” for logical partitions 5. a. Make it easier to recover a corrupted file system or operating system installation
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Introduction about Linux Linux is an operating system that was initially created as a hobby by a young student‚ Linus Torvalds‚ at the University of Helsinki in Finland. Linus had an interest in Minix‚ a small UNIX system‚ and decided to develop a system that exceeded the Minix standards. He began his work in 1991 when he released version 0.02 and worked steadily until 1994 when version 1.0 of the Linux Kernel was released. Linux is developed and released under the GNU General Public License and
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Chapter 4 Network Layer and Routing 1) What are the two main functions of a datagram-based network layer? What additional functions does a VC-based network layer have? 2) List and describe the ATM network service models. 3) Compare and contrast link-state and distance-vector routing algorithms. 4) Discuss how a hierarchical organization of the Internet has helped to scale to millions of users. 5) It is necessary that every autonomous system use the same intra autonomous routing algorithm? Why
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ENCYCLOPEDIA Definition: A book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically. ALMANAC Definition: Noun 1. An annual calendar containing important dates and statistical information such as astronomical data and tide tables. 2. A handbook‚ typically published annually‚ containing information of general interest or on a sport or pastime. | | ATLAS Definition: Noun 1. A book of maps or
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