Introduction to Ubuntu Commands
Ubuntu can be considered as Linux based distribution system which is open source and entirely free in the common market. There is normally three kinds of edition available for Ubuntu system, one is for the desktop edition, another for the live server, and the last one is for a specific device or robots. It is normally fully popular as the operating system in the current cloud computing market.
There are many Ubuntu Linux commands to run or handle documents, create documents, maintain variety directories or write scripts on Ubuntu and Linux platforms. Some of the basic commands are mentioned below:
Command for getting Date
This is one of the common commands for helping to display normal date with time in the Ubuntu Linux screen. It is also possible to set some of the custom dates which can be managing by using this specific command.
# date –set=’17 Jan 2019 12:16’
Executing the above command, always given below result as output:
Thu Jan 17 12:18:20 EDT 2019
Command for displaying Calendar
One of the key commands of Ubuntu Linux operating system is cal which actually helping for displaying proper require calendar in Ubuntu Linux terminal screen where anyone can able to identify the local date. There has a lot of additional calendar package available in case of Ubuntu command, where people can able to manage the calendar in varieties way, sometimes they can able to present it vertically or some other critical features with this additional command. This additional command package call ncal package need to download in your local Linux machine for using those features.
Whoami and who command
To very much useful and popular command in Ubuntu Linux platform are whoami and who commands. Whoami is one of the key commands which provided exact effective username immediately ‘who’ is involved in executing this specific command. And ‘who’ is the command where it will give entire logged in user detail information.
PWD is actually standing for Print Working Directory. This command is mainly using for displaying the specific directory where command executer is currently belonged to. Sometimes in case of Ubuntu Linux platform user are unable to understand in which directory he is right now. Then PWD is the key command for understanding the same.
This is also a very commonly used command in Ubuntu Linux platform. Every user after their logic this is one of the first commands they execute. Command ls is actually providing the entire list of documents available in that specific directory. There have several other extended commands of ls which are using for managing the display of those files in a proper manner. Suppose, ls –lrt, ls –al are given some additional information of those list of files on that specific directory.
Cd command is mainly using for changing the directory in Ubuntu Linux platform.
Mkdir is one of the key commands for Ubuntu Linux platform. This is actually helping for creating one new directory in Ubuntu Linux platform.
Cat command is commonly used for displaying the entire content of one file. It also can be used for creating or concatenate single or multiple files in Ubuntu Linux platform.
This command normally using for copy the image of an existing file or directory and paste the same anywhere in the Ubuntu Linux platform with the different file name.
MV command is also very frequently used command for move the files or directory to another location with the same name and content.
There are several other popular commands that are also used by the developer who is not very basic commands but works with Ubuntu Linux more. Some of those kinds of requiring intermediate commands are mentioned below:
Rm command is using for mainly deleting or removing the files or multiple files. If we use this rm command recursively then it will remove the entire directory.
This command is very much useful for displaying the entire current system information properly. It helps for displaying Ubuntu Linux system information in Linux environment proper way for understanding system current configuration.
The uptime commands also one of the key commands for Ubuntu Linux platform which given information about how long system is running.
This command is used for displaying login user name who are currently logged in on Linux system.
Less command is very much used for displaying the file without opening or using cat or vi commands. This command is basically one of the powerful extension of ‘more’ command in Ubuntu Linux environment.
However, some of the critical tasks often need to be performed by users of the Ubuntu Linux command. These tasks also have some advanced commands that are mainly used by some managers to sort, identify or modify the specific file, write shell scripts, schedule jobs, etc. The advance commands are mentioned below:
This command is using for displaying proper output in one page at a time. It is mainly useful for reading one long file by avoiding scrolling the same.
This is for using sorting the content of one specific define file. This is very much useful for displaying some of the critical contents of the big file in sorted order. If we use –r including this sort command, then it will give reverse order of the content.
This is one of the key editor available from the first day onwards in Unix or Linux platform. It normally provided two kinds of mode, normal and insert.
It is provided details information of free memory or RAM available in the Ubuntu Linux system.
This command is holding the history of all the executed command on Ubuntu Linux platform.
Tips And Tricks
Some common users who often use these command usually use some tips and tricks to correctly use Ubuntu Linux commands output. These types of tricks usually solve some user-specific queries and display execution output to correctly understand the same. Some of the very commonly used key tricks are:
Securing and Protecting Ubuntu Linux
One if the critical process available in Ubuntu Linux by using VPN services with some configuration changes specifically in the custom proxy.
Secure with Password
There has one utility of securing your personal information with a specific password and lock them on to our target. And recovering the same by providing a proper password.
This is one of the key operating system currently available for use in a number of purposes. Specifically, it is too much popular in case of a could system as it normal view currently looks like windows system, which is very much helpful for the common windows users.
This has been a guide to Ubuntu Commands. Here we have discussed basic as well as advanced and some immediate Ubuntu Commands. You may also look at the following article to learn more –