CS 202 Computer Science II Lab

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CS 202Computer Science II Lab

• Fall 2009
• August 27

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• Reza
• Office SEM 255A
• E-mail amayeh_at_cse.unr.edu
• Web-site http//www.cse.unr.edu/amayeh/
• Office hours TBA

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Today Topic

• Course Objectives
• Requirements
• Basic Unix/Linux

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Course Objectives

• Familiar with Unix/Linux Environments
• Be able to work under Unix/Linux Environments
• Learn more about Tips/Tricks of C Language
• Learn how to debug programs
• Learn how to make programs reusable

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Requirements

• Attendance
• Exercises
• Programming Assignments
• Reports
• Late turn in, subject to the policy provided by
  the professor
• Note all students must have ecc account.

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Lab Assignments

• All coding standards in the class website have to
  be followed.
• Two copies of assignments are required
• A printed version based on the Report Template
• A soft copy including report, code, and
  executable on a CD or Jump Drive
• Put two copies in one plastic folder

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Why Linux?

• Can be used as
• Web servers
• Scientific workstations
• Gives you
• More speed
• More power
• More control
• Advantages
• It is free
• Flexible for different hardware platforms
• Fewer crashes
• Better security

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Basic Unix/Linux Commands

• command options arguments
• ls options directory or file allows users
  to see a list of file or directory in the
  specific location given by the users
• ls /usr
• mkdir options directory allows users to
  create directory
• mkdir cs202
• rmdir options directory remove a directory
• rm options file remove (delete) a file or
  directory (-r recursively deletes the directory
  and its contents) (-i prompts before removing
  files)
• rm R cs202
• ! WITH rm COMMAND, CANT UNDO
• emacs/xemacs are text editors used to
  create/modify files
• emacs cs202file.cpp

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Basic Unix/Linux Commands

• man allows users to look up for the information
  of applications including description, usages,
  etc.
• man ls
• cd directory changes working directory to
  another or accesses to interesting directory, /
  or .. or ../.. or ../mydir/test/ or /mydir/test/
• cd cs202
• cp options file1 file2 copyfile1 intofile2
  file2 shouldn't already exist. This command
  creates or overwritesfile2
• cp cs202file.sh homework.sh
• mv moves file/directory to another location or
  another name
• mv cs202 /tmp

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Basic Unix/Linux Commands

• lpr (lp) options file print to defined
  printer
• cat options file concatenate (list) a file
• pwd print working (current) directory
• passwd to change the password
• exit leave the shell
• logout leave the system
• D indicates end of data stream
• C interrupt

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• Questions?