difference between unix and linux operating system ppt
Minimal Perl For UNIX and Linux People 4 ppt
... expr1 expr2 and something /START/ /STOP/ and print; Prints all records between the first containing “START” and the first containing “STOP” (which could be the same record), and then repeats ... features Here are the most noteworthy differences between AWK and Perl that were touched on in the preceding discussion and in the comparisons of tables 5.1 and 5.2. Ways in which Perl is superior ... over and over again in other languages. AWK debuted with the UNIX version of 1977. But due to the governmental regu- lations of that era, UNIX was distributed only to the Bell System companies and...
Ngày tải lên: 06/08/2014, 03:20
Tài liệu Unix and Linux Backups for System Administrators pptx
... vendor- supplied file and you will have lost those changes. 4 Unix and Linux Backups SANS GIAC LevelOne â 2000, 2001 4 Unix/ Linux Backup Commands ãtar ãdump ãdd ãcpio (in Appendix) The archival commands we ... flags for tar and dump are optional. Dashes however, are not used with dd. 41 Unix and Linux Backups SANS GIAC LevelOne â 2000, 2001 41 Tutorial Outline ã Unix/ Linux Backup commands ã Tape operation ã ... than wait for a crisis to convince you of its value. 1 Unix and Linux Backups SANS GIAC LevelOne â 2000, 2001 1 Unix and Linux Backups for System Administrators By Robert Blader Hello, my name...
Ngày tải lên: 17/01/2014, 08:20
lecture operating system chapter 10 case study; UNIX and Linux
Ngày tải lên: 18/10/2014, 15:30
Tài liệu Basic UNIX and Linux Auditing pptx
... program and goes away On a UNIX operating system, the Internet daemon, inetd, listens for connections and services them upon arrival. It does this by starting the requested server and then handing ... look at some of the security issues associated with syslog. 1 UNIX/ Linux Auditing SANS GIAC LevelOne â 2000, 2001 1 Basic UNIX and Linux Auditing John Green jegreen@crosslink.net Hello, my name ... network connections and understand how to audit these for intrusion detection or incident handling purposes. Please go on to the next slide titled “Auditing User Activity”. 8 UNIX/ Linux Auditing...
Ngày tải lên: 17/01/2014, 08:20
GNU/Linux Basic operating system ppt
... commands that we will find in this section form part of the standard (IEEE POSIX norms) and are shared by all GNU /Linux and UNIX systems. Al- though each distribution has its own administration and ... system based on GNU /Linux, regardless of what distribution we use. Command A command is a program that performs a specific action re- lated to the operating system. Each of the system s commands ... was to build an operating sys- tem similar to UNIX following the POSIX norms (Portable Operating System Interface). Although UNIX also had its own problems and faults, it was, and continues to...
Ngày tải lên: 08/03/2014, 23:20
Learning the Unix Operating System pptx
... Index: O operating system, definition of : The UNIX Operating System options, command : 1.2. Syntax of UNIX Command Lines output redirection operator (>) 5.1. Standard Input and Standard ... 5.2.2. sort standard input : 5.1. Standard Input and Standard Output standard output : 5.1. Standard Input and Standard Output stopped jobs : 1.1.8.1. Problem checklist stty command : 3.6. ... of Commands The previous section was about UNIX commands you enter at a shell prompt. Some UNIX commands have commands of their own. (For examples, look at the more, mail, and pg commands in...
Ngày tải lên: 18/03/2014, 00:20
UNIX and linux system administration handbook (4th edition)
... Congress Cataloging-in-Publication Data UNIX and Linux system administration handbook / Evi Nemeth [et al.]. —4th ed. p. cm. Rev. ed of: Unix system administration handbook, 3rd ed., 2001. Includes ... ptg vi UNIX and Linux System Administration Handbook System- specific administration tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Notation and typographical ... 978-0-13-148005-6 (pbk. : alk. paper) 1. Operating systems (Computers) 2. UNIX (Computer file) 3. Linux. I. Nemeth, Evi. II. Unix system administration handbook. QA76.76.O63N45 2010 005.4'32dc22 2010018773 Copyright...
Ngày tải lên: 19/03/2014, 13:36
UNIX LINUX Operating System
... 80s, 2 organizations said hello UNIX International (UI) ã The agreement between AT&T and Sun : SVR4 (System V Release 4), The converged Edition of System V and BSD Open Software Foundation ... h thng ã Start and work in graphical model – Id:3: initdefault: Id:5: initdefault: – Use command $startx Unix kernel architect Content ã Unix/ Linux Chronology. ã File System ã Process ... Manual COMMAND(1) ã NAME Command Name: Function overviewed ã SYNOPSIS Command syntax ã DESCRIPTION Describe more detail about commands function ã OPTIONS ã FILES ã SEE ALSO Shell system ã The...
Ngày tải lên: 09/05/2014, 08:45
lesson 9: Linux Operating System Vulnerabilities and security pdf
Ngày tải lên: 29/07/2014, 08:20
Childhood Health And Differences In Late-life Health Outcomes Between England And The United States ppt
... born pre 1930, those born between 1930 and 1939, those born between 1940 and 1949, and those born in 1950 or after. Given the age selection of HRS and ELSA respondents and the fact that both samples ... Oldfield, and J.P. Smith.(2006). Disease and disadvantage in the United States and in England.JAMA 295(17):2037-45. Banks, J., M. Marmot, Z. Oldfield, and J.P. Smith. (2009). SES and health ... Mortality Database Childhood Health and Differences in Late-Life Health Outcomes between England and the United States JAMES BANKS, ZOE OLDFIELD, AND JAMES P. SMITH WR-860 May 2011...
Ngày tải lên: 16/03/2014, 15:20
minimal perl for unix and linux people - manning 2006
... command written in Perl and its grep counterpart: $ grep &apos ;Linux& apos; /etc/motd Welcome to your Linux system! $ perl -wnl -e ' /Linux/ and print;' /etc/motd Welcome to your Linux system! In ... study 201 Part 2 Minimal Perl: for UNIX and Linux Shell Programmers 203 7 Built-in functions 205 7.1 Understanding and managing evaluation context 206 Determinants and effects of evaluation context ... standard input. This allows pipelines to work as expected, as shown by this variation on the previous command: $ cat /etc/motd | perl -wnl -e ' /Linux/ and print;' Welcome to your Linux...
Ngày tải lên: 25/03/2014, 10:27
báo cáo hóa học:" Quality of Life as reported by children and parents: a comparison between students and child psychiatric outpatients" ppt
... significant difference between outpatient and student samples was found on the Total (M = 48.0, SD = 13.8 a nd M = 47.7, SD = 14.0), Externalizing (M = 14.4, SD = 7.2 and M = 14.5, SD = 7 .4) and Internaliz- ing ... problems or l earning difficulties (and their matched outpatients) will the difference in QoL between outpatients and students remain? Methods Sample selection and subjects Clinical sample From ... excluded from the analysis, the differences between patient and student r eports on the I LC 0-100 and ILC Problem 0-7 scale remained significant (z = -2.003, p < 0.05 and z = -2.161, p < 0.05,...
Ngày tải lên: 20/06/2014, 15:20
Minimal Perl For UNIX and Linux People 1 ppsx
... courseware developer, and corporate educator. He has trained thousands of engineers on Unix, Linux, and Perl worldwide. Tim founded Seattle’s SPUG, one of the oldest, largest, and most active Perl ... who would learn practical Perl incantations 1 In this book, Unix is shorthand for UNIX, Linux, and related operating systems,” as detailed in the “Essential terminology” section of “About this ... appropriation of overlap- ping features from the UNIX shell languages, the AWK and C languages, and various core UNIX utilities (especially grep and sed), which has endowed it with more redundancies...
Ngày tải lên: 06/08/2014, 03:20
Minimal Perl For UNIX and Linux People 2 doc
... commands and small Perl scripts that surpass the limitations of the UNIX grep command. We’ll start by reviewing grep’s history, strengths, and weaknesses, and Perl’s superior features, and then ... implementations started appearing for non- UNIX systems—including versions of the humble DOS. STANDARD OPTION CLUSTERS 45 Table 2.9 Standard option clusters for Perl commands and scripts Primary option cluster Application ... HISTORY OF grep Out of hundreds of command-line utilities provided on early UNIX systems, the grep command rapidly emerged as one of the most important and influential. This became most obvious...
Ngày tải lên: 06/08/2014, 03:20
Minimal Perl For UNIX and Linux People 3 pot
... encounter when using a particular command. For example, the grep commands on systems influenced by Berkeley UNIX rec- ognize \< as a metacharacter standing for the left edge of a word. But ... is unique to Perl, and it can make the difference between an easily maintainable regex and one that nobody dares to modify. 4 Table 3.2 Fundamental capabilities of greppers and Perl Capability Classic ... letters, digits, and dots. Domains ending in two-letter country codes other than .us are “foreign” (to Americans, at least); for instance, the .pl domain stands for Poland, and .au stands for Australia. 22 Although...
Ngày tải lên: 06/08/2014, 03:20
Minimal Perl For UNIX and Linux People 5 pot
... an Oscar and a Felix on hand. In your own career, I’d advise you to develop an appreciation and an aptitude for both the quick -and- dirty and elegant -and- formal styles of programming, and to culti- vate ... use. And you won’t even need to be on a Unix system when you do that! All you need is a Perl envi- ronment, an understanding of find’s syntax, and (for certain find commands) an understanding ... superior to their Unix counterparts: the matching operator vs. the grep command, the substitution operator vs. the sed command, and some file operators vs. options of the find command. A UNIX- LIKE,...
Ngày tải lên: 06/08/2014, 03:20
