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Class Notes for Computer Science at Langara College

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CPSC 1280 Lecture Notes - Lecture 25: Background Process, Shell Script, Sighup
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find more resources at oneclass.com CPSC 1280 LECTURE 25: UNIX PROCESS ROAD MAP • Signals • Exit Code • Subshell • Job Control SIGNALS • Notification of occurrence of an event • Every signal associated with a...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 24: Wcai, Passwd, Child Process
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find more resources at oneclass.com CPSC 1280 LECTURE 24: UNIX PROCESS ROAD MAP • Process • Process Cycle • Process Attribute • Process Permissions • Process States THE PROCESS • An instance of a program in ...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 22: Gordon Lightfoot, Grep, Standard Streams
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find more resources at oneclass.com CPSC 1280 LECTURE 22: GREP ROAD MAP • grep • Usage • Filter • Quote • Options GREP: SEARCHING FOR A PATTERN • Unix has a special family of commands for handling search requi...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 23: Filler Text, Command Substitution, Pattern Matching
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find more resources at oneclass.com CPSC 1280 LECTURE 23: SED ROAD MAP • sed SED: STREAM EDITOR • A multipurpose tool combines the work of several filters • Derived from ed, the original UNIX editor • Performs n...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 21: Regular Expression, Delimiter, Newline
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CPSC 1280 LECTURE 21 REGULAR EXPRESSIONS EXAMPLE 2365 :john :director :personnel :05/11/47 :120000 woodcook 5678 :robert dylan :d.g.m ...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 19: Unix Shell, Root Directory, Grep
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CPSC 1280 Lecture 19 UNIX SHELL PIPE, ESCAPING, QUOTING, AND VARIABLES WILD CARD WITH FIND • Wild card expansion shall be interpreted by the shell before command execution • Exception with quoting: find comma...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 18: Unix Shell, Temporary File, Command Substitution
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CPSC 1280 Lecture 18 UNIX SHELL PIPE, ESCAPING, QUOTING, AND VARIABLES ROAD MAP • Pipe • Escaping • Quoting • Shell Variable PROBLEM IN REDIRECTION Ex: • $ who > user.txt • $ wc -l < user.txt Two disad...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 20: Nondeterministic Finite Automaton, Stephen Cole Kleene, Theoretical Computer Science
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CPSC 1280 LECTURE 20 REGULAR EXPRESSIONS ROAD MAP •Introduction to Regular Expression •Basic Regular Expressions •Extended Regular Expressions REGULAR EXPRESSION •A regular expression (regexor rege...

Computer Science
CPSC 1280
Wei Cai
Computer Science
CPSC 1181
All Professors
Computer Science
CPSC 1181
All Professors
Computer Science
CPSC 1181
All Professors
CPSC 1181 Lecture 16: lecture 16 1181
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Oct 21 CPsc Lecture pe overridden it it accesable. methods can be unhersted Cannut change the -tuou sp Getuin m a method unles is chun acress from in subclass. Im comes unrelated veute access 3 The comparable st pubis clas...

Computer Science
CPSC 1181
All Professors
Computer Science
CPSC 1181
All Professors
CPSC 1280 Lecture Notes - Lecture 17: Rmdir, Unix Shell, Mkdir
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CPSC 1280 LECTURE 17 UNIX SHELL REDIRECTION APPENDING OUTPUT When using > if output file doesnt exist, shell creates it before execution if output file exists, shell overwrites it Symbol >> is used to append the output str...

Computer Science
CPSC 1280
Wei Cai
CPSC 1280 Lecture Notes - Lecture 16: Readwrite, Unix Shell, The Terminal
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CPSC 1280 LECTURE 16 UNIX SHELL REDIRECTION ROAD MAP Redirection TERMINAL USER INTERACTION Terminal display X window that emulates a terminal keyboard User see command output and error messages from terminal provide comman...

Computer Science
CPSC 1280
Wei Cai

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