What are all Linux commands and what are they used for? 2020 List

0 346 5 minutes of reading

One of the biggest hurdles that users don't switch to Linux is due to the large number of orders managed there. However, you can also manage it with mouse and keyboard in a very simple way , because it will allow you to get things done faster.

Thus, a user accustomed to use windows may not want to start learn commands and commands to manage a new operating system . Keeping in mind that all adjustments made in the graphical interface Peuvent être executed via command lines .

Therefore, today there are a large number available in this OS, which provide us with a lot of very important and interesting functions . But with time and practice, they are learned little by little. In accordance with this, we will teach you here the most important Linux commands .

What are Linux operating system commands and what are they used for?

These commands Linux are small programs built into the operating system and who have function to execute a task .

However, there is a difference between what a command and a program , in general orders are always in a specific folder that they are always in the same place that you are logged in with your user or superuser. Whereas with programs you have to specify its location.

Nowadays, most modern operating systems use this tool in order to offer two management methods to the user, since all system parameters can be executed via command line also known as Shell.

Therefore, a Shell acts like a mediator between the system and the user , which receives all entries made via the keyboard, either for start a program, or to indicate an exit from the system .

What can be done with the Linux terminal commands?

"UPDATE ✅ Linux has one of the most complete control systems for getting the most out of your computer and its features ⭐ ENTER HERE ⭐ and get to know them"

As we have already mentioned before, these commands specialize in performing a specific task within the computer , whether for indicate a system input, an output, start the task manager, run a program, bind Management , among many other activities that can be performed from them.

In addition, it is important to mention that each Shell manages his own language of order that allows you to perform the task for which it was created.

Every time the computer is switched on, the Shell is activated in the operating system as standard for system settings. From this moment you can start to indicate your entrances or exits to manage it . A different way to use the equipment, and to enter some options just by entering a code with your keyboard.

List of the 50 best Linux operating system commands and their usefulness

There are generally two types of people , those who prefer use the computer with the mouse and those who prefer to do so with the keyboard .

Therefore, if you belong to the group of people who prefer interact with the system via the keyboard, here we will show you what are the 50 best Linux commands so you can start to improve your experience in the OS and thus become an expert in the matter.

To do this, follow the following table that we are going to teach you with each of the most important and most used commands in Linux today:

Checkout	Description
adduser	Allows you to display useradd.
ac	It gives you the option to print statistics on the time that users have been logged into the system.
alias	Used to create command shortcuts, you can list current aliases.
arp	To manipulate and obtain the list of Mac / IP addresses of the system.
apt-get	To update and install packages on the Debian based system.
à	It is used to be able to schedule commands, jobs or scripts to be executed later.
harpoon	To send ARP REQUEST to other computers connected to the network.
arptables	It is a very similar firewall in function to iptables, but it is used for controlling arp protocol traffic.
Before Christ	Use the calculator and mathematical language.
thank you	Unzip files compressed or compressed using bzip2.
atg	It shows you the list of scheduled jobs that are waiting to be executed.
base name	It is used to remove the path from the name of a specific file.
BLKI	It teaches the attributes of block devices such as LABEL and UUID, among others.
awk	Performs analysis and processing of file and list models.
biosdecode	It offers you BIOS information.
bzip2	It is a file compressor and decompressor.
bzmore	It gives you the option to view all files compressed or packed by bzip2.
chat	It shows you the contents of the files and concatenates the files.
lime	It displays the calendar on the screen.
CD	To change directory.
cambre	Shows computer architecture
uname-r	Displays the kernel version used.
meet me	It shows all the complete information of the system.
isb re-read-a	Displays all the existing information of the distribution.
dmidecode-q	Teaches system components (hardware).
cfdisk	Activates the disk partitioning tool, used on most Debian systems.
chmod	Change the permissions of the folders or files.
stop	Used to shut down the system after its use is complete.
redémarrer	To restart the system.
Sign out	Close the active session.
shutdown-c	Allows you to cancel the system shutdown.
ls-lh	Used to list the contents of a directory, it displays all the details including size and format.
arbre	Display folders and files as a tree structure starting at the root.
change	To change the user's password expiration or expiration information.
f	Edit the information used in finger.
chpasswd	Used to update passwords in batch mode, it can also update passwords in user group.
chroot	It is used to execute commands as root in a Shell restricted to a directory or subdirectories.
chsh	It is used to change the shell connection or the default shell.
Clair	Thoroughly clean the terminal.
cpio	Its function is to copy, compress, create and extract files in different formats between different local computers.
df-h	Displays the list of mounted partitions.
ls-ISr more	It shows the size of directories and files sorted by size.
du -sh dir1	It is responsible for estimating the space used by the dir1 directory.
*du -sk or sort -nr**	List all files in descending order of size and subdirectories in the current location.
user add user1	Used to create a new user.
userdel -r user1	Delete a user by deleting their personal directory.
chattr + d file 1	It is used to ensure that the program does not delete files during backup.
chattr + i file 1	This makes the file invariable or immutable, it prevents it from being discarded, modified, altered, linked or renamed.
yum update	Used to update all rpm packages installed in the system.
yum update package name	Update and modernize each of the rpm packages found in the system.

If you have any questions, please leave them in the comments, we will get back to you as soon as possible, and it will be a great help for more community members as well. Thank you!

0 346 5 minutes of reading