The grep command searches through many files at a time to find a piece of text you are looking for. When you use ls –I you will be able to see more details of the contents in the directory. The example used here changes the location to a Linux directory that is present in all versions of Linux. You can always use ctrl + c to return to the command line. Otherwise the listing scrolls down rapidly. The command ls -l | more – helps paginate the output so you can view page by page. The names in blue represent the names of directories. This is what the ls command does in Linux - it lists files and directories. If you’ve used the Windows command prompt, then you should know that the command dir is used to list the contents in a directory. Here, we list and explain some important basic Linux commands so you can learn how to use Linux with ease.Ĭlick here to download Hackr.io’s free Basic Linux Commands PDF. The reason Linux is so popular is that it is one of the most reliable, secure, and robust operating systems available. In fact, stock exchanges across the world in several countries run on Linux. It runs most of the Internet and several supercomputers. Linux is so ubiquitous that it is present in cell phones, cars, refrigerators, and Roku devices. Data from TOP500 shows that Linux powers 100% of the world’s top 500 supercomputers, which is an astonishing statistic. Linux is a powerful operating system that is pervasively used today, even though it might not be apparent to you. How Do I Get a List of All Commands in Linux?

Some tasks need to perform daily, while some weekly, and similarly monthly and yearly. The Cron allows the user to configure the predefined commands in the Cron table and set them to run automatically. The Cron table consists of predefined scripts and commands from where the Cron daemon reads them. The Crontab, or we can call cron table, is the built-in Linux utility that helps to schedule the processes and execute them at the specified time. It is good to reboot the system when needed, but doing it daily could create problems. Some of the processes also require rebooting the system for the configurational changes. Similarly, if you want to reboot the system, you don’t need to install any specific tool or package. įor Linux users, it is always easy to find the solution of operations you’re confused about. Whenever the system restarts, it comes with a fresh copy of the software and is loaded into the memory. We need to reboot when the system crashes and fails to work correctly. Reboot the system means turning off all the applications of the device and restart with a new state.

Linux reboot command