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13. Echo command syntax

admin by admin
May 5, 2020
in Lập Trình Linux
15
13. Echo command syntax



This is a tutorial on the echo command in linux with many examples.
It is useful beyond creating text files.

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Comments 15

  1. Fin says:
    2 years ago

    Love your Tutorials very educational and easy to comprehend good teacher. Can you make a tutorial on bash scripting? Thanks

    Reply
  2. Genghis Kong says:
    2 years ago

    So simple yet so full of possibilities. Great vid! Seriously, I know there is 'man echo', but the layout is not intuitive to learning–and that's with all the 'man xxx' commands. Until you see it in action as you demonstrated its usage escapes me.

    Reply
  3. Alex Nevi says:
    2 years ago

    Без садов?(

    Reply
  4. Hunar Omar says:
    2 years ago

    Hi, Can you please make a tutorial on how to use hybrid GPUs on Arch Linux, i have intel and nvidia and i want to be able to switch between them, intel is very good for battery but terrible at games, Nvidia is good but i can't unplug the laptop charger without it shutting down in 5min. i priviously could switch on Ubuntu, i tried installing nvidia-390xx-lts but it doesn't let me (breaks dependecies), internet said that it was due to kernel, i installed linux-lts (using your tutorial) but now i cant uninstall (linux) because it breaks dependency 😕

    Reply
  5. H.I. says:
    2 years ago

    Was really surprised to see a 10 min video about "echo" as it's a very simple command.
    Pretty much 90% of the features demonstrated are bash features and not "echo" specific. Bash handles arithmetic expansion, brace expansion, special characters, etc. Therefore all of this is true for "printf" as well.

    Reply
  6. Chandrashakhar Kachawa says:
    2 years ago

    https://www.facebook.com/groups/ubuntudevelopers/

    Reply
  7. Chandrashakhar Kachawa says:
    2 years ago

    Group name is ubuntu

    Reply
  8. Chandrashakhar Kachawa says:
    2 years ago

    Hey, The champ of linux why not join our group of 73000 member

    Reply
  9. Victor Yañez says:
    2 years ago

    what kind of language programm is it?

    Reply
  10. Serge says:
    2 years ago

    Hello ALU! Oops, {} are not brackets but curly braces! There are a few typos in your file echo.txt There is Arithmentic instead of Arithmetic Expansion Under #Quotes second line there is manu instead of many and under #Escaping characters it should be costs instead of cost
    Cheers

    Reply
  11. Modelmat says:
    2 years ago

    Can you do a tutorial on i3?

    Reply
  12. HPP says:
    2 years ago

    Nice examples! 'echo' is a very cool command but, to some extent it is very unintuitive. At 9:27, I did not understand the command 'echo line 1$'n'line 2' at all?! Why all of a sudden single quotes, and not double quotes? With regard to the arithmetic operations, we want an expression like $((2 + 2)) to be interpreted within double quotes but, not within single quotes! So why is it that $'n' is interpreted as a newline but $"n" as n? Also, how shall the user know that 'echo line1$'n'line 2' yields the same as 'echo -e 'line 1nline2' '? In my opinion these kind of peculiarities should be documented in the manual page. But, unfortunately, 'man echo' does not provide more information than 'help echo'.

    Reply
  13. Irfan Sheikh says:
    2 years ago

    Hello ALU. Your videos are very helpful, crisp, and to the point. Thank you for these videos!

    Reply
  14. Alexander Voronov says:
    2 years ago

    Thank you.

    Reply
  15. T4P4N says:
    2 years ago

    🙂

    Reply

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