Difference between revisions of "Introduction to Linux in HPC/Linux Directory Structure"

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Introduction to Linux in HPC/Linux Directory Structure
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<youtube width="600" height="400" right>IfD9IPixgpo</youtube>
 
<youtube width="600" height="400" right>IfD9IPixgpo</youtube>
 
[https://git-ce.rwth-aachen.de/hpc.nrw/ap2/tutorials/linux/-/blob/master/Slides/Linux_Intro/Linux_Intro.pdf Linux Introduction]  Slides 33 - 48 (16 pages)
 
 
=== Slide Layout === <!--T:5-->
 
 
    page 1:
 
        Windows: drive letter + backslash (C:)
 
        Linux: standard tree directory structure
 
        Absolute path: starts with /
 
        Relative path: w.r.t. working directory
 
    page 2 - 11:
 
        Animation for directory structure
 
        example directories
 
    page 12:
 
        everything is a file: /dev and /proc
 
        program/script can be found with which
 
        special directories: ., .. and ~
 
    page 13:
 
        cd command
 
    page 14: 40 sec
 
        ls command
 
    page 15:
 
        specific commands: Ctrl+key (C, Z, D), exit and clear
 
    page 16:
 
        no undo
 
        make sure what you want to do
 
  
  
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{{Warning|mode=info|text= '''no tips in this section'''}}
+
{{Warning|mode=warn|text= '''no undo and make sure what you want to do (page 48)'''}}
 
 
{{Warning|mode=warn|text= '''no undo and make sure what you want to do (page 16)'''}}
 
  
 
=== Exercises in Terminal (slide 49)=== <!--T:5-->  
 
=== Exercises in Terminal (slide 49)=== <!--T:5-->  

Revision as of 10:11, 5 October 2020

Video


Quiz

1. Which one is the top directory in Linux?

/
/home
C:\


2. The command cd without arguments : if you start in var/log/ and run cd with no arguments, what do you expect will happen?

Nothing it stays in /var/log/
It goes to your home directory
It goes to the filesystem root
The shell stops having a working directory
It’s an error
The shell prompt turns into a shark and eats you


Warning:  no undo and make sure what you want to do (page 48)

Exercises in Terminal (slide 49)

1. Go to a specific subfolder of a folder (example: cd Documents/courses/ ) and get back to the home directory using cd command. List 3 different ways to do it using one command. check after every action your path with pwd command.
2. Go to the directory /tmp and jump between /tmp and your home directory back and forth. check after every action your path with pwd command.