Introduction to Linux in HPC/Linux Directory Structure
Introduction to Linux in HPC/Linux Directory Structure /
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Video
Linux Introduction Slides 33 - 48 (16 pages)
Slide Layout
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
Quiz
1. Which one is the top directory in Linux?
2. The command 'cd ' without arguments : if you start in var/log/ and run cd with no arguments, what do you expect will happen?
Info: | no tips in this section |
Warning: | no undo and make sure what you want to do (page 16) |
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.
Answer: |
cd cd ~ cd $HOME the last option $HOME is an enviornment variable. You will learn about enviornment variables later. |
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.
Answer: |
cd /tmp cd - cd - with cd - you change back to the previous working directory, pass the dash (-) character as an argument to the cd command. |