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Linux – Command Line Navigation

admin by admin
May 14, 2020
in Lập Trình Linux
19
Linux – Command Line Navigation



Find code and diagrams at:

Navigating through the folder structure in Linux is easy if you know a few commands. A major issue for many technicians is that Linux cares about capitalization (FOLDER != folder), and using / with the cd command causes Linux to look for the folder in the System Root.

Notes

Capitalization matters in navigation. “FOLDER” is different than “Folder”. You can have 4 separate folders named: FOLDER, Folder, folder, foldeR.
when using cd to go into a lower level folder DO NOT use /. If you are in the “home” folder and want to go into the “bob” folder you would type “cd bob” NOT “cd /bob”
Find Where You Are

The “pwd” command tells you your location in the folder structure

Changing Directories

The basic command to change directories is “cd”.
“cd ..” moves you up one folder level.
“/” represents the system root.
From the “home” folder you could use “cd” like this:
cd ..
cd bob
cd /
cd /home/bob
Listing Folder Contents with “ls”

“ls” lists the contents of a folder
“ls -l” lists contents of a folder and displays ownership and permissions
“ls -lh” is the same as “ls -l” but formats the file sizes to be easier to read.
More info:

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Comments 19

  1. Abdulnaser Sheikh says:
    2 years ago

    Honestly none of this matters unless u can make money from it.Teach us how to make money from this please!

    Reply
  2. Mitchel Valentino says:
    2 years ago

    Kudos for covering the fundamentals. 👍 👍
    And this video is actually watchable, unlike most Linux tutorials. Much appreciated!!

    Reply
  3. Zebinho says:
    2 years ago

    Arrange flowers 🤣🤣

    Reply
  4. zazen69 says:
    2 years ago

    Does Eli do live streams anymore?

    Reply
  5. D MC says:
    2 years ago

    thanks Bob please continue with the great content on Linux may the Flying Spaghetti Monster blessed you for all your useful videos (even the ones about computer repair ).

    Reply
  6. obolonev says:
    2 years ago

    can u make some for openbsd?

    Reply
  7. Carter McKenzie says:
    2 years ago

    These videos are fantastic, you have been a huge help. Looking forward to the Raspberry Pi series!

    Reply
  8. Mr. Tech Guy says:
    2 years ago

    Truly truly useful…

    💯💯💯💯💯

    Reply
  9. John Mon says:
    2 years ago

    “Mommy, where am I in this operating system?” I laughed so hard at this Eli. Thanks for the videos. I wouldn’t consider myself a beginner but you always seem to have some insight on even the easiest of topics that I had not thought of before.

    Reply
  10. mdd1963 says:
    2 years ago

    Thanks be to Christ for useful tutorials, again, vice that (what seemed like) endless Arduino …uh, well….crap! 🙂

    Reply
  11. DarthKane says:
    2 years ago

    Man I sure miss the boring Arduino videos…

    Reply
  12. logan graham says:
    2 years ago

    forward slash is root unless you put a . in front of it . which means the current directory so ./bob would be the current directory + /bot

    Reply
  13. Mukesh Pal says:
    2 years ago

    Hi Eli, Can you please make some videos around shell Scripting? Thanks

    Reply
  14. bbolin711 says:
    2 years ago

    I thought the only difference between windows and Linux command line was vs / . Now if I could just keep clicking on stuff pretty sure it would eventually work

    Reply
  15. Muzzamil Javed says:
    2 years ago

    Thanks very much for starting linux tutorial, please keep this continue. I would like to see
    Lvm
    Dns
    Very very basic networking in easy words
    Filesystem full
    Openstack
    Boot process
    How to use find cmd
    User management
    Performance management
    Pxeboot on ubuntu
    Aws basic

    Reply
  16. Mick Taylor says:
    2 years ago

    I'm grateful that you're doing these videos. Especially as I've just downloaded Ubuntu Desktop and don't have any clue. I just wish there was a permanent fix to adjust my Logitech mouse speed. It's slowwwww. (I used solaar to enable the mouse) and used Tweaks to adjust the pointer speed, but still slow.

    Reply
  17. Austen Stokes says:
    2 years ago

    Dude, I'm so glad you're making these kinds of videos again. I'm pretty sure your older videos on Windows Server and networking helped me get jobs because I was so well versed for my interviews.

    Reply
  18. Monzer Abas says:
    2 years ago

    Thankss Eli

    Reply
  19. Cristian Di Tomasso says:
    2 years ago

    Hey Eli, i didn't know how to reach out to you and send you a PM so i'll just post it as a comment.

    You don't get an idea how useful your videos are, they're also a lot of fun! I think I watched your first videos like 8 years ago and found them quite helpful when I was starting my career as a Linux Engineer/SysAdmin. For the last 2 weeks I found myself playing some of your content and learning stuff here and there, also your insights for some of the topics are hilarious (choosing a linux distro and all that) love it when you mock hardcore fanboys a little.

    Anyways, I can also tell you're struggling making money out of youtube or your website so the least I can say is THANK YOU for sharing your knowledge with us all. One last thing… Could you consider making a video about the struggles of being a Linux Engineer/working in IT? I've personally been struggling a lot lately, thinking "I'm not good enough" (i'm in my late 20s, 5 years of experience) and after doing some research I found out this actually happens to A LOT of IT people, there's always some new technology coming up and it's hard to keep up with everything and there's always a lot of people who are better at what you do so it can be quite frustrating. Some call it "Impostor syndrome". Cheers!

    Reply

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