: 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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Command’s Purpose Linux Basic Linux Example Copies files cp cp thisfile.txt /home/thisdirectory Moves files mv mv thisfile.txt /home/thisdirectory Lists files ls ls (all information ls –l) Clears screen clear clear Closes prompt window exit exit Displays or sets date date date Deletes files rm rm thisfile.txt "Echoes" output on the screen echo echo this message Edits files with simple text editor vi vi thisfile.txt Compares the contents of files diff diff file1 file2
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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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IT250 Assignment 2.1 Provide brief but complete answers to the following questions. Submit your written responses to your instructor at the beginning of the next unit. 1. What are the two predominant Linux desktops currently in use? Fedora or Red Hat Enterprise Linux 2. Describe the following GNOME components or features in two to three sentences each: Panel - these are the bars at the top and bottom of the screen. They hold objects or icons which are shortcuts or applets
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University of Phoenix Material Unix® and Linux® Comparison Matrix - 5 Marks 1. Name three versions of Unix 1. AT&T (System V Release) Versions 2. BSD (Berkeley Software Distribution) from the University of California at Berkeley 3. XENIX from Microsoft 2. Name three versions of Linux 1. Canonicals’ Ubuntu 2. Novell’s openSUSE 3.Red Hat’s Fedora 3. Describe 3 major differences between Unix and Linux 1. The difference between UNIX and Linux is that UNIX trademark is specific to systems
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Free software is free to obtain‚ use and change. 2. Why is Linux popular? Why is it popular in academia? Linux is portable‚ is based on standards‚ is written in C‚ has a kernel programming interface‚ can support many users 3. What are multiuser systems? Why are they successful? A multiuser system is a system designed for multiple user input and output. 4. What is the Free Software Foundation/GNU? What is Linux? Which parts of the Linux operating system did each provide? Who else has helped build
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Linux Implementation Proposal HACKD‚ LLC. has a new research and development group - LSDG. All systems in LSDG will run the Linux operating system and will access resources‚ as well as share resources‚ with HACKD‚ LLC.’s Microsoft Active Directory domain. The domain consists of several Windows Server 2012 R2 servers running various services (Microsoft Active Directory‚ DNS‚ DHCP‚ web services‚ printing and file services). HACKD‚ LLC. also has around 500 client operating system desktops/laptops
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University of Phoenix Material Linux® Directory Log To: David Horvath From: Crystal Jenkins Date: <(02/28/8014)> Directions: As you complete each of the following steps‚ keep track of what occurs at each point‚ including what you type‚ the output given‚ and if you experience any errors. Record the occurrences in the following matrix. 1. Open a terminal. Gain access to terminal from the redhat screen [student@bsit_rh61 ~]$ 2. Create a new group called mygroup. Hint: /usr/sbin/groupadd
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Wireless cards. Wireless cards are very different based upon what chipset you have. I personally use Atheros chipset cards which has screwed me up a bit with BackTrack as it has problems with using them for certain attacks. What I will again show is generic commands for setting up and configuring your wireless interfaces. The interface name (ath0 below) is entirely dependant on what chipset you are using‚ you may have any of the following: ath0 wlan0 wifi0 eth0 You need to find
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Date: 12 Oct 2013 Subject: Assignment 3 Chapter 7 page 251 Exercises 1‚3‚4‚8 1. What does the shell ordinarily do while a command is executing? What should you do if you do not want for a command to finish before running another command? While the command is executing‚ the shell waits for the process to finish. Or sleeps 3. What is a PID number? Why are these numbers useful when you run processes in the background? Which utility displays the PID numbers of the commands you are running?
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