Introduction to Ubuntu Command
The following article provides an outline for Ubuntu Command. 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 the Ubuntu system, one is for the desktop edition, another for the live server, and the last one is for a specific device or robot. 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 a variety of 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 dates 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 the below result as output:
Thu Jan 17 12:18:20 EDT 2019
- Command for displaying Calendar: One of the key commands of the Ubuntu Linux operating system is cal which actually helping for displaying the proper require calendar in the Ubuntu Linux terminal screen where anyone can able to identify the local date. There has a lot of additional calendar packages available in the case of the 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 the ncal package, need to download to your local Linux machine for using those features.
- Whoami and who command: To very much useful and popular command in the Ubuntu Linux platform are whoami and who commands. Whoami is one of the key commands which provided an 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: PWD is actually standing for Print Working Directory. This command is mainly using for displaying the specific directory where the command executer is currently belonged to. Sometimes in the case of the Ubuntu Linux platform, users are unable to understand in which directory he is right now. Then PWD is the key command for understanding the same.
- Ls: This is also a very commonly used command in the 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 that 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: Cd command is mainly using for changing the directory in the Ubuntu Linux platform.
- Mkdir: Mkdir is one of the key commands for the Ubuntu Linux platform. This is actually helping for creating one new directory in the Ubuntu Linux platform.
- Cat: 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 the Ubuntu Linux platform.
- Cp: This command is normally used to copy the image of an existing file or directory and paste the same anywhere in the Ubuntu Linux platform with a different file name.
- Mv: MV command is also a 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: 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.
- Uname: This command is very much useful for displaying the entire current system information properly. It helps for displaying Ubuntu Linux system information in the Linux environment in a proper way for understanding the system current configuration.
- Uptime: The uptime also commands one of the key commands for the Ubuntu Linux platform, which given information about how long the system is running.
- Users: This command is used for displaying the login user name who is currently logged in on the Linux system.
- Less: 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 extensions of the ‘more’ command in the 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:
- More: This command is using for displaying proper output on one page at a time. It is mainly useful for reading one long file by avoiding scrolling the same.
- Sort: 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.
- Vi: This is one of the key editors available from the first day onwards in the Unix or Linux platform. It normally provided two kinds of modes, normal and insert.
- Free: It is provided detailed information on free memory or RAM available in the Ubuntu Linux system.
- History: This command is holding the history of all the executed commands on the Ubuntu Linux platform.
Tips And Tricks of Ubuntu Command
Some common users who often use these commands 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.
Conclusion – Ubuntu Command
This is one of the key operating systems currently available for use for a number of purposes. Specifically, it is too much popular in the case of a could system as its normal view currently looks like a 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 intermediate Ubuntu commands. You may also look at the following article to learn more –