Introduction to Linux in HPC/The Command Line

Video

Linux Introduction Slides 25 - 31 (7 pages)

Slide Layout

   page 1: 
       You type commands in command line to use Linux
       Similar things: console, terminal, CLI and shell (interchangeable in this course)
       command line: advantages (fast) vs. disadvantages (hard to master)
   page 2: 
       Shell in Linux is widely used.
       Warnings:
           User may forget where they are.
           Child processes may stop, if parent shell exits.
   page 3: 
       Elements in console:
           User name
           Host name
           Working directory: reminder for user (where they are)
           Command prompt
   page 4: 
       Elements in console (cont.):
           Command and its options
           Output
           Current command running or new command prompt
   page 5: 
       Demo 1: (slide 15 sec + terminal 45 sec)
           run command
           arrow keys for history
           tab key for auto-completion
           Ctrl-C to abort
   page 6: 
       Warning: command is always case-sensitive
       command line options: minus sign: double minus vs. single minus
   page 7: 
       Demo 2: (slide 15 sec + terminal 30 sec)
       use internet for help
       man page
       built-in help

Quiz

Which keys can be used for command history?

	A. up- and down-arrow keys
	B. Page-up and Page-down keys

Info:

no tips in this section

Warning:

no warning in this section