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”.
Premium File system Linux Unix
: 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
Premium Operating system Unix Free software
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:
Premium Management Marketing Balance sheet
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
Premium
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
Premium Lithium Lithium battery Rechargeable battery
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
Premium
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
Premium File system
Linux Admin Research Paper #1 Linux is a open source operating systems that has been evolving over many years. Linux has changed to a very powerful platform that has been adopted by many people as well as developed by the robust open source community. One particular aspect of development that has changed is the security of linux‚ with the introduction of a few security technologies such as SE Linux‚ chroot jail‚ and IP tables. With many of these new technologies Linux has become more secure and
Premium Access control Security Fedora
Unix or Linux‚ You Decide! In the IT world there is a debate of which systems are the best to use in your business environment. These debates run between the Operation Systems (OS) Linux‚ Unix and Microsoft systems (MS). Looking at only two of these systems‚ Linux and Unix‚ comparing cost‚ operability‚ compatibility and downtime the decision is up in the air which system is right for business use. The decision is ultimately up to the business and their goals and vision. Cost is a large segment
Premium Operating system Microsoft Windows Linux
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
Premium Open source Linux Free software