Linux Essentials For Hackers - #2 - Useful keyboard Shortcuts
Summary
TLDRThis video from the 'Linux Essentials for Hackers' course introduces viewers to essential keyboard shortcuts for navigating the Linux system and working with the terminal more efficiently. The tutorial covers opening a terminal, resizing windows, changing font size, clearing the terminal screen, ending and suspending processes, and using the tab key for auto-completion. The presenter demonstrates these shortcuts using Ubuntu and explains that they are generally applicable across various Linux distributions.
Takeaways
- đ The video provides an introduction to Linux essentials for hackers, focusing on keyboard shortcuts to enhance terminal navigation and efficiency.
- đ» The tutorial is based on Ubuntu, but the concepts can be applied to other Linux distributions, emphasizing the universality of the discussed shortcuts.
- đ Opening a terminal in Ubuntu can be done with Ctrl+Alt+T or the Super key + T, showcasing quick access methods.
- đ Customizing keyboard shortcuts is possible, allowing users to tailor their experience according to their preferences.
- đ„ïž The video demonstrates how to use the Super key with arrow keys for window tiling, which is useful for organizing multiple windows.
- đ Adjusting font size in the terminal is made easy with Ctrl+Shift+Plus and Ctrl+Minus, enhancing readability.
- đïž Clearing the terminal screen can be achieved with the 'clear' command or the Ctrl+L shortcut, offering quick cleanup options.
- âčïž Ending a running process in the terminal is as simple as using Ctrl+C, providing a quick way to stop tasks.
- âžïž Suspending a process is done with Ctrl+Z, allowing users to pause tasks without terminating them.
- đ The up arrow key cycles through previously used commands, offering a fast way to repeat or edit past commands.
- đ The Tab key is used for auto-completion of file and directory names, streamlining the process of navigating through the file system.
Q & A
What is the primary focus of the Linux Essentials for Hackers course?
-The primary focus of the Linux Essentials for Hackers course is to help users navigate the system more efficiently and work with the terminal at a faster pace using various keyboard shortcuts.
Which Linux distribution is the instructor using in the video?
-The instructor is using Ubuntu in the video, but the course is designed to be applicable to any other Linux distribution.
What is the keyboard shortcut to open a terminal on Ubuntu?
-The keyboard shortcut to open a terminal on Ubuntu is Ctrl+Alt+T or Super+T.
How can you perform window tiling in a Linux environment?
-You can perform window tiling by using the Super key and the arrow keys to direct the location of the windows.
What keyboard shortcuts can be used to increase and decrease the font size in the terminal?
-To increase the font size, use Ctrl+Shift+Plus, and to decrease the font size, use Ctrl+Minus.
What command or keyboard shortcut can be used to clear the terminal screen?
-You can clear the terminal screen by typing 'clear' or using the keyboard shortcut Ctrl+L.
How can you stop a currently running process in the terminal?
-You can stop a currently running process by using the keyboard shortcut Ctrl+C.
What is the keyboard shortcut to pause or suspend a process in the terminal?
-The keyboard shortcut to pause or suspend a process in the terminal is Ctrl+Z.
How can you cycle through previously used commands in the terminal?
-You can cycle through previously used commands by using the Up Arrow key.
What is the function of the Tab key in terms of auto-completion in the terminal?
-The Tab key is used for auto-completing file and directory names. Pressing it once completes the name if it's unambiguous, and pressing it twice lists possible completions.
How can you close the terminal in a Linux environment?
-You can close the terminal by using the keyboard shortcut Ctrl+Shift+W.
Outlines
đ» Linux Terminal Navigation and Shortcuts
This paragraph introduces the Linux essentials for hackers course, focusing on keyboard shortcuts to navigate the Linux system and work with the terminal more efficiently. The instructor uses Ubuntu as an example, mentioning that other distributions can be used as well. The video covers how to open a terminal using Ctrl+Alt+T or the Super+T key combination. It also explains how to perform window tiling using the Super key and arrow keys, change font size with Ctrl+Shift+Plus and Ctrl+Minus, clear the terminal screen with Ctrl+L, and end or pause processes with Ctrl+C and Ctrl+Z, respectively. Additionally, it discusses navigating through previous commands using the up arrow key and the use of the Tab key for auto-completion of file and directory names.
đ Advanced Terminal Shortcuts and Commands
The second paragraph continues with more advanced terminal shortcuts and commands. It demonstrates how to use the Tab key for auto-completion, providing examples of how a single Tab can complete a file or directory name, and how double Tab can list possible matches. The paragraph also covers closing the terminal with Ctrl+Shift+W and summarizes the basic keyboard shortcuts introduced in the video. The instructor encourages viewers to let them know if there are any shortcuts they missed and looks forward to the next video in the series.
Mindmap
Keywords
đĄLinux Essentials
đĄKeyboard Shortcuts
đĄUbuntu
đĄTerminal
đĄTiling
đĄFont Size
đĄClear Command
đĄControl+C
đĄControl+Z
đĄAuto-Completion
đĄControl+Shift+W
Highlights
Introduction to Linux Essentials for Hackers course
Exploring keyboard shortcuts for efficient terminal navigation
Ubuntu as the primary Linux distribution for the course
Using the terminal with dpn, Ubuntu's base on Debian
Introduction to the aptitude package manager
Keyboard shortcut to open terminal: Ctrl+Alt+T or Super+T
Customizing keyboard shortcuts in Linux
Tiling windows using the Super key and arrow keys
Changing font size with Ctrl+Shift+Plus and Ctrl+Minus
Clearing the terminal screen with the 'clear' command or Ctrl+L
Ending a running process with Ctrl+C
Pausing a process with Ctrl+Z
Cycling through previous commands with the Up Arrow key
Auto-completion of file and directory names with the Tab key
Using double Tab for file suggestions
Closing the terminal with Ctrl+Shift+W
Encouragement to learn more keyboard shortcuts throughout the series
Transcripts
hey guys welcome to the linux essentials
for hackers course
in this video we're gonna get started
with taking a look at the various
keyboard shortcuts
uh that will help you navigate around
the system much easier and to work with
the terminal
uh at a much more efficient rate all
right so let's get started now i'm
currently using ubuntu you can be using
any other linux distribution that you
want
and we're going to be primarily working
with the terminal first before we
actually
delve into desktop environments and you
know various other distributions so
we're going to be using dpn and again
ubuntu is based off debian
and for our package manager we'll be
taking a look at the aptitude package
manager but as i said
we'll be delving into all of that later
on all right so with ubuntu
uh getting opening up a terminal with
your keyboard is very simple you have
your control alt n t
key or you have your super and t if
you're running debian or any other
distribution so
on ubuntu it's ctrl alt n t or your
super nt
and you can customize your keyboard
shortcuts uh however you want all right
so
let me just uh let me just minimize this
now uh the other interesting thing that
you can do
or very helpful thing that you can do
when working with various windows
it doesn't have to be a a terminal
window
is you can perform tiling and that is by
using the super key
and your arrow keys to direct the
location of the windows and you can tile
them
appropriately right so as you can see
i've used the super and up key
and that maximizes it and of course i
can take it to the left or i can take it
to the right
and i can you know leave it uh where it
was previously right so let me just
expand it now let me talk about a font
size right so font size is very easy to
change and
to actually increase and reduce so if i
wanted to increase my font size i would
use the ctrl
shift and the plus key on my keyboard
and that would increase
the font size right i can then minimize
it by using the control and the minus
key on my keyboard
and that will reduce the font size so
again increasing it is ctrl shift
and and the plus key and reducing the
font size is control and
the minus key on your keyboard right so
that is uh how to increase and reduce
your font size
now let's talk about uh actually
clearing your screen which is very very
simple so
i'll just use a generic command here you
don't have to worry about what that
command is
so if i wanted to clear my terminal i
would simply say clear and that will get
rid of all
the content that was currently on the
terminal however
i can also use a keyboard uh
keyboard shortcut uh so again if i just
list the same command here
i can use the control and l key and that
will clear the terminal for me without
me having to type the clear command
all right so let's talk about some some
other keyboard shortcuts that you should
be aware of right so
if we are working with a particular
process so for example
i can say nmap i can run a quick nmap
scan here and i can just say
sv 192.168.1.1
and we can hit enter i can use the
control c key
to actually uh end the currently running
process and it will return you back to
your
uh to your shell uh in this case we're
using the bash
shell so if i want to end a process
that's currently running like the one i
was running which was nmap
i use the control and c keyboard
shortcut right
now if i wanted to suspend or to pause
this
or to pause a particular task or a
process
i can use the control and z key right so
if i was running
nmap s v the same key or the same
command i can type that out
however here are other useful keyboard
shortcuts that you can use
so i can cycle through my previously
used commands by using the
up arrow key and that will again cycle
through all my all my previously used
commands
so again i can just go to this previous
command and hit enter
and then i can use control and z to
actually
pause and suspend that process in memory
and
remember it hasn't stopped it you have
just suspended it all right now let's
talk about tab
uh let's talk about the tab key and auto
completion right
so we can use the tab key to auto
complete file and directory names so
let me just clear this out and i can use
the control and l key
so if i go to my well i can actually
work from my home directory but
let's say i wanted to cat a particular
file so let me just
list all the files in here so let's say
i wanted to get
my let's see or let's say i wanted to
get my
my password file so again i can say cat
etsy and i can say password right now
if i wanted to auto complete this i
could use the tab
key and again it will if i use it two
times it will give me the various
suggestions here so
a single tab will auto complete it if it
has an accurate
uh id of of the particular file or
directory you're
referring to so again if i said uh if i
give it a bit more information in
regards
to the file or directory i was looking
for i would
simply just hit tab and it gives me the
file there
however i can hit double tab and that
again gives me
the files that are related to the
particular data that i've entered here
so again if i reduced it just to ap
and i hit tab twice it will give us the
recommendations
as to uh in in reference to the to to
the
to the particular files that uh that
begin with the word p
and again if i can increase that
probability or
the specification of the file i'm
looking i'm looking for
by increasing the amount of letters so
again again i can tap it twice and now
you can see the results are more
fine-tuned so again
i can uh i can use tab to auto complete
it to password and i can hit enter
and that displays the contents of the
password file so that is how to use
uh the tab key and those are the various
uh you know commands that
or keyboard shortcuts that you can use
while working in the terminal and
hopefully those will make your
life a whole lot easier so again control
and l that clears everything for me
now let's talk about how to close your
terminal so again closing your terminal
is very simple you can use uh the
control shift and w
key so again i can say ctrl shift and w
here
uh right over here and that works uh
pretty universally among all
distributions so again ctrl alt d that
opens up your terminal
uh increasing the font size control
shift and the plus key
and so on and so forth and you can tile
your terminal or any window in your
system
by using the super key and your arrow
keys or your directional keys here
all right so those are all uh the basic
keyboard shortcuts that i wanted to
start off with i'll be referencing
others
throughout the series let me know which
ones i missed
and i'll be seeing you in the next video
in this series
[Music]
you
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