OPS145 Weekly Schedule: Difference between revisions

From Littlesvr Wiki
Jump to navigation Jump to search
No edit summary
No edit summary
Line 28: Line 28:
         <li>[https://students.senecacollege.ca/spaces/186/it-services/wiki/view/1025/student-vpn Connect to Seneca's Student VPN]</li>
         <li>[https://students.senecacollege.ca/spaces/186/it-services/wiki/view/1025/student-vpn Connect to Seneca's Student VPN]</li>
         <li>[https://vimeo.com/823145586/0a2be9be6f VIDEO: Connect to Seneca's Student VPN]</li>
         <li>[https://vimeo.com/823145586/0a2be9be6f VIDEO: Connect to Seneca's Student VPN]</li>
         <li>[[HOWTO: Access Your Matrix Account]] (Platforms: Windows, Linux, Mac OSX)</li>
         <li>[[Interest Topic: Graphical Linux via a Virtual Machine (VM)|Using a Linux Desktop]]</li>
        <li>[[Using a Linux Desktop]]</li>
          
          
       </ul> '''Links to Windows SSH clients'''<br>(Access Matrix from home): <ul>
       </ul> '''Links to Windows SSH clients'''<br>(Access Matrix from home): <ul>
         <li>[https://www.sfsu.edu/ftp/win/ssh/SSHSecureShellClient-3.2.9.exe SSH/SFTP] | [https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Putty] | [https://www.bitvise.com/ssh-client-download Bitvise SSH Client] | [https://mobaxterm.mobatek.net/download-home-edition.html MovaXterm]</li>
         <li>[https://www.sfsu.edu/ftp/win/ssh/SSHSecureShellClient-3.2.9.exe SSH/SFTP] | [https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Putty] | [https://www.bitvise.com/ssh-client-download Bitvise SSH Client] | [https://mobaxterm.mobatek.net/download-home-edition.html MovaXterm]</li>
       </ul> '''YouTube Videos:'''
       </ul> </td>
    </td>
     <td style="border-bottom: thin solid black;width:40%>'''Tutorial 1: Worth 2%<br>(Due Week 2:<br>Friday @ midnight)'''
     <td style="border-bottom: thin solid black;width:40%>'''Tutorial 1: Worth 2%<br>(Due Week 2:<br>Friday @ midnight)'''
Line 41: Line 39:
<li>INVESTIGATION 2:<br>Using The Linux Shell</li>
<li>INVESTIGATION 2:<br>Using The Linux Shell</li>
</ul>
</ul>
<br>
<br> </td>
{| style="float: left; margin: 0 0 3em 2em; border: 1px solid black;"
!style="background: #cccccc"| Quick Links
|-
|[https://apps.senecacollege.ca/ssos/findOutline.do?termCode=20232&subjectCode=ULI101&schoolCode=SICT Course Outline]
|-
|[[Course Policies for ULI101]]
|-
|[https://students.senecacollege.ca/spaces/186/it-services/wiki/view/1025/student-vpn Student VPN]
|}
</td>
</tr>
</tr>
<tr valign=" top">
<tr valign=" top">
Line 74: Line 62:
         <li>[http://www.cheat-sheets.org/saved-copy/Nano_Cheat_Sheet.pdf Nano Reference Sheet (PDF)]</li>
         <li>[http://www.cheat-sheets.org/saved-copy/Nano_Cheat_Sheet.pdf Nano Reference Sheet (PDF)]</li>
         <li>[https://www.smashingmagazine.com/2010/05/vi-editor-linux-terminal-cheat-sheet-pdf/ Vi Reference Sheet (PDF)]</li>
         <li>[https://www.smashingmagazine.com/2010/05/vi-editor-linux-terminal-cheat-sheet-pdf/ Vi Reference Sheet (PDF)]</li>
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://www.youtube.com/watch?v=3wZmZOKLllk&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=2 Linux File System, Basic Navigation: <br>(ls, cd, pwd, tree),Absolute and Relative Paths] </li>
        <li>[https://www.youtube.com/watch?v=UfAFAipked0&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=3 Basic File Actions <br>(touch, ls -l, cp, cp -r, mv, mkdir, mkdir -p, rm, rmdir, rm -r), Relative-to-home Paths] </li>
        <li>[https://www.youtube.com/watch?v=ocU34PcYn2U&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=4 Reading/Writing to Files: <br>(cat, more, less, man, date, diff, diff -y, find, wc)]
        <li>[https://youtu.be/munrDI_gm4w Introduction to Vi]</li>
       
      </ul>
    </td>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 1 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 2: Worth 2%<br>(Due Week 3:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 1 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 2: Worth 2%<br>(Due Week 3:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Creating & Managing Directories</li>
         <li>INVESTIGATION 1:<br>Creating & Managing Directories</li>
Line 108: Line 89:
         </li>
         </li>
          
          
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://youtu.be/5FQnehwzwSM Filename Expansions]</li>
        <li>[https://youtu.be/3quKLqUFGHo Relative, Absolute, and Relative-to-Home Filepaths]</li>
        <li>[https://www.youtube.com/watch?v=mzgfE6-ZtUY Quoting Special Characters]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 2 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 3: Worth 2%<br>(Due Week 4:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 2 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 3: Worth 2%<br>(Due Week 4:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Absolute / Relative / Relative-To-Home Pathnames</li>
         <li>INVESTIGATION 1:<br>Absolute / Relative / Relative-To-Home Pathnames</li>
Line 137: Line 113:
         </li>
         </li>
          
          
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://youtu.be/MzQ5kcffvpc Permissions, chmod, umask]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 3 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 4: Worth 2%<br>(Due Week 5:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 3 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 4: Worth 2%<br>(Due Week 5:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Numbering Conversions</li>
         <li>INVESTIGATION 1:<br>Numbering Conversions</li>
Line 164: Line 137:
         </li>
         </li>
        
        
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://www.youtube.com/watch?v=ocU34PcYn2U&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=4 Reading/Writing to Files <br>(stdin, stdout, stderr, >, >>, 2>)] </li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 4 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 5: Worth 2%<br>(Due Week 6:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black;"><span style="color:red;font-weight:bold;">Tutorial 4 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 5: Worth 2%<br>(Due Week 6:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Basics Of Redirections</li>
         <li>INVESTIGATION 1:<br>Basics Of Redirections</li>
Line 192: Line 162:
          
          


       </ul>
       </ul> </td>
'''YouTube Videos:''' <ul>
        <li>[https://youtu.be/-Le-7U8tEOA SSH, SCP and Other Network Tools]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 5 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 6: Worth 2%<br>(Due Week 8:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 5 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 6: Worth 2%<br>(Due Week 8:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>File Transfer (Secure Copy)</li>
         <li>INVESTIGATION 1:<br>File Transfer (Secure Copy)</li>
Line 255: Line 221:
         </li>
         </li>
        
        
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://www.youtube.com/watch?v=aNKMOyRYWfM&feature=youtu.be Changing Resolution in Knoppix]</li>
        <li>[https://youtu.be/q93POTgH-aQ Processes and Jobs]</li>
        <li>[https://youtu.be/PVnELIbilrg Aliases]</li>
        <li>[https://youtu.be/tZ94-qH9unM Links]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 6 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 8: Worth 2%<br>(Due Week 9:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 6 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 8: Worth 2%<br>(Due Week 9:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Linking Files</li>
         <li>INVESTIGATION 1:<br>Linking Files</li>
Line 285: Line 245:
  <ul>
  <ul>
         <li><span style="background:#ffff00;">[[OPS145 Lab 8|Tutorial9: Regular Expressions]]</span>
         <li><span style="background:#ffff00;">[[OPS145 Lab 8|Tutorial9: Regular Expressions]]</span>
         </li>
         </li> </ul> </td>
        <li>[https://matrix.senecacollege.ca/~chris.johnson/ULI101/uli101_command_practice_9.docx Linux Practice - Regular Expressions]</li>
     
      </ul>
'''YouTube Videos:''' <ul>
        <li>[https://youtu.be/-2pwLHcvCsU Grep]</li>
        <li>[https://youtu.be/5uRM8bh0ipU Regex]</li>
        <li>[https://youtu.be/fJmilSaB5Fs Using df/du]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 8 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 9: Worth 2%<br>(Due Week 10:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 8 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 9: Worth 2%<br>(Due Week 10:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Simple & Complex Regular Expressions</li>
         <li>INVESTIGATION 1:<br>Simple & Complex Regular Expressions</li>
Line 318: Line 269:
         </li>
         </li>
        
        
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://youtu.be/npU6S61AIko Sed]</li>
        <li>[https://youtu.be/OV3XzjDYgJo Awk]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 9 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 10: Worth 2%<br>(Due Week 11:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 9 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 10: Worth 2%<br>(Due Week 11:<br>Friday @ midnight)''' <ul>
         <li>INVESTIGATION 1:<br>Using The SED Utility</li>
         <li>INVESTIGATION 1:<br>Using The SED Utility</li>
Line 351: Line 298:
         </li>
         </li>
          
          
       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://www.youtube.com/watch?v=kxEP-KUhOSg&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=5 Bash Shell Scripting I]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 10 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 11: Worth 2%<br>(Due Week 12:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 10 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 11: Worth 2%<br>(Due Week 12:<br>Friday @ midnight)''' <ul>
       <li>INVESTIGATION 1:<br>Creating A Shell Script</li>
       <li>INVESTIGATION 1:<br>Creating A Shell Script</li>
Line 385: Line 329:
         </li>
         </li>


       </ul> '''YouTube Videos:''' <ul>
       </ul> </td>
        <li>[https://www.youtube.com/watch?v=XVTwbINXnk4&list=PLU1b1f-2Oe90TuYfifnWulINjMv_Wr16N&index=6 Bash Shell Scripting II]</li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 11 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 12: Worth 2%<br>(Due Week 13:<br>Friday @ midnight)''' <ul>
     <td style="border-bottom: thin solid black"><span style="color:red;font-weight:bold;">Tutorial 11 Due<br>Friday @ Midnight</span><br><br>'''Tutorial 12: Worth 2%<br>(Due Week 13:<br>Friday @ midnight)''' <ul>
       <li>INVESTIGATION 1:<br>Additional Logic Statements</li>
       <li>INVESTIGATION 1:<br>Additional Logic Statements</li>
Line 413: Line 354:
           <span style="background:#ffff00;">[https://wiki.cdot.senecacollege.ca/wiki/Interest_Topic:_Graphical_Linux_via_a_Virtual_Machine_(VM) Interest Topic: Graphical Linux via a Virtual Machine (VM)]</span>
           <span style="background:#ffff00;">[https://wiki.cdot.senecacollege.ca/wiki/Interest_Topic:_Graphical_Linux_via_a_Virtual_Machine_(VM) Interest Topic: Graphical Linux via a Virtual Machine (VM)]</span>
         </li>
         </li>
       </ul>
       </ul> </td>
 
'''Review Questions: <ul>
        <li>
          <span style="background:#ffff00;">[https://wiki.cdot.senecacollege.ca/uli101/files/uli101_review_sample_questions.docx Sample ULI101 Review Questions]</span>
        </li>
      </ul>
    </td>
     <td style="border-bottom: thin solid black;width:30%"><ul><li><span style="color:red;font-weight:bold;">Tutorial 12 Due<br>Friday @ Midnight</span></li><li><span style="color:red;font-weight:bold;">Review Tutorial Due<br>Friday @ Midnight</span></li></ul><br><br>'
     <td style="border-bottom: thin solid black;width:30%"><ul><li><span style="color:red;font-weight:bold;">Tutorial 12 Due<br>Friday @ Midnight</span></li><li><span style="color:red;font-weight:bold;">Review Tutorial Due<br>Friday @ Midnight</span></li></ul><br><br>'
     </td>
     </td>

Revision as of 12:36, 4 September 2023

Week Objectives and Tasks Reference Evaluation
Week 1:
Objectives:
  • Course introduction
  • Course Resources/Evaluation/Policies
  • Unix/Linux Background
  • Open source philosophy
  • Linux GUI and the terminal
  • The Matrix server
  • Accessing your Matrix Account
  • Using your Matrix Account
 Week 1 Lecture 1 Notes:
PDF | PPTX
Week 1 Lecture 2 Notes:
PDF | PPTX
Tutorials: Links to Windows SSH clients
(Access Matrix from home): 		Tutorial 1: Worth 2%
(Due Week 2:
Friday @ midnight)
  • INVESTIGATION 1:
    Accessing Your Matrix Linux Account
  • INVESTIGATION 2:
    Using The Linux Shell
Week 2:
Objectives:
  • Unix file system
  • File types and file naming
  • Basic file system commands:
    (pwd,cd,tree,ls,mkdir,rmdir,mv,cp,rm, man)
  • Text editing
  • Common file utilities:
    (cat,more,less,touch,file,find)
Week 2 Lecture 1 Notes:
PDF | PPTX
Week 2 Lecture 2 Notes:
PDF | PPTX
Tutorials: Reference Sheets: 		Tutorial 1 Due
Friday @ Midnight

Tutorial 2: Worth 2%
(Due Week 3:
Friday @ midnight)
  • INVESTIGATION 1:
    Creating & Managing Directories
  • INVESTIGATION 2:
    Managing Text Files
Week 3:
Objectives:
  • Absolute and relative pathnames
  • File name expansion
  • Shell basics
  • Command execution in detail
  • Command History
  • Recalling and editing previous commands
  • Quoting
 Week 3 Lecture 1 Notes:
PDF | PPTX
Week 3 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 2 Due
Friday @ Midnight

Tutorial 3: Worth 2%
(Due Week 4:
Friday @ midnight)
  • INVESTIGATION 1:
    Absolute / Relative / Relative-To-Home Pathnames
  • INVESTIGATION 2:
    Filename Expansion
  • INVESTIGATION 3:
    Quoting Special Characters
Week 4:
Objectives:
  • Data Representation:
    (Binary, octal, decimal,
    and hexadecimal number systems)
  • Number conversions
  • Unix file permissions
 Week 4 Lecture 1 Notes:
PDF | PPTX
Week 4 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 3 Due
Friday @ Midnight

Tutorial 4: Worth 2%
(Due Week 5:
Friday @ midnight)
  • INVESTIGATION 1:
    Numbering Conversions
  • INVESTIGATION 2:
    File Permissions
Week 5:
Objectives:
  • stdin, stdout, stderr
  • Simple filter commands:
    (head,tail,cut,sort,tr,wc)
  • grep utility Redirection and piping
  • /dev/null file
 Week 5 Lecture 1 Notes:
PDF | PPTX
Week 5 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 4 Due
Friday @ Midnight

Tutorial 5: Worth 2%
(Due Week 6:
Friday @ midnight)
  • INVESTIGATION 1:
    Basics Of Redirections
  • INVESTIGATION 2:
    Redirection Using Pipeline Commands
  • INVESTIGATION 3:
    Issuing Multiple Unix/Linux Commands
Week 6:
Objectives:
  • scp and sftp utilities
  • Sending email from command line
  • Command History
 Week 6 Lecture 1 Notes:
PDF | PPTX
Tutorials: 		Tutorial 5 Due
Friday @ Midnight

Tutorial 6: Worth 2%
(Due Week 8:
Friday @ midnight)
  • INVESTIGATION 1:
    File Transfer (Secure Copy)
  • INVESTIGATION 2:
    File Transfer (Secure FTP)
  • INVESTIGATION 3:
    File Transfer (Email)
Week 7: Objectives:
  • Course Review
Evaluation:
  • Midterm Test (20%)
Midterm Test (20%)
Study Week:
Objectives:
  • No scheduled classes
  
Week 8:
Objectives:
  • Filesystem links
  • Hard and symbolic links
  • Process management
  • Aliases
  • Command History
 Week 8 Lecture 1 Notes:
PDF | PPTX
Week 8 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 6 Due
Friday @ Midnight

Tutorial 8: Worth 2%
(Due Week 9:
Friday @ midnight)
  • INVESTIGATION 1:
    Linking Files
  • INVESTIGATION 2:
    Managing Processes
  • INVESTIGATION 3:
    Aliases / Command History
Week 9:
Objectives:
Regular expressions basics:
  • Literal matching
  • Character classes
  • . wildcard
  • * repetition symbol
  • Anchoring
 Week 9 Lecture 1 Notes:
PDF | PPTX
Week 9 Lecture 2 Notes:
PDF | PPTX

Tutorials:

Tutorial 8 Due
Friday @ Midnight

Tutorial 9: Worth 2%
(Due Week 10:
Friday @ midnight)
  • INVESTIGATION 1:
    Simple & Complex Regular Expressions
  • INVESTIGATION 2:
    Extended Regular Expressions
  • INVESTIGATION 3:
    Other Commands Using Regular Expressions
Week 10:
Objectives:
Text Manipulation:
  • Using the sed Utility
  • Using the awk Utility
 Week 10 Lecture 1 Notes:
PDF | PPTX
Week 10 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 9 Due
Friday @ Midnight

Tutorial 10: Worth 2%
(Due Week 11:
Friday @ midnight)
  • INVESTIGATION 1:
    Using The SED Utility
  • INVESTIGATION 2:
    Using The AWK Utility
Week 11:
Objectives:
Introduction to Shell Scripting:
  • Introduction to Shell Scripting
  • echo and read commands
  • Shell Variables
  • Positional Parameters
  • Command Substitution /
    Math Operations
  • test statements
  • if / elif-else statements
  • for loop statements
 Week 11 Lecture 1 Notes:
PDF | PPTX
Week 11 Lecture 2 Notes:
PDF | PPTX
Tutorials: 		Tutorial 10 Due
Friday @ Midnight

Tutorial 11: Worth 2%
(Due Week 12:
Friday @ midnight)
  • INVESTIGATION 1:
    Creating A Shell Script
  • INVESTIGATION 2:
    She-Bang Line / Variable / Parameters
  • INVESTIGATION 3:
    Command Substitution / Math Operations
  • INVESTIGATION 4:
    Control Flow Statements
Week 12:
Objectives:
Additional Shell Scripting:
  • if - elif - else statement
  • for loop revisited
  • while loop statement
  • Error-Checking with Loops
  • exit and break Statements
  • export Command
  • Start-up Files
  • Further Study
 Week 12 Lecture 1 Notes:
PDF | PPTX
Tutorials: 		Tutorial 11 Due
Friday @ Midnight

Tutorial 12: Worth 2%
(Due Week 13:
Friday @ midnight)
  • INVESTIGATION 1:
    Additional Logic Statements
  • INVESTIGATION 2:
    Additional Looping Statements
  • INVESTIGATION 3:
    exit AND break Statements
  • INVESTIGATION 4:
    Using Start-Up Files
Week 13
Objectives:
  • Interest Topic
  • Take up Review Questions
 Interest Topic:
  • Tutorial 12 Due
    Friday @ Midnight
  • Review Tutorial Due
    Friday @ Midnight


'
Week 14:
Evaluation Week:
  • Final Test (20%)
Final Test (20%)

Interest Topic: Graphical Linux via a Virtual Machine (VM)

Retrieved from "http://wiki.littlesvr.ca/w/index.php?title=OPS145_Weekly_Schedule&oldid=968"