Linux, Ubuntu, Debian, Mint, CentOS Tutorials
İsmail Baydan 
The ulimit command is used to set limits about different attributes of the Linux operating system. The ulimit command is provided by all popular Linux distributions like Ubuntu, Mint, Debian, CentOS, RHEL, etc. because it is a kernel too. In this tutorial, we will examine ulimit related terms like Soft Limit, Hard Limit, Set Limit … Read more
As a command-line text editor vi/vim provides the keys in order to select, copy, cut, and paste the text. For novice users using keys to select, copy, cut, and paste a text or content is very unfamiliar as most of the users use GUI-based text editor which provides cursor and menus for these operations. In … Read more
Even chmod command comes with different options and parameters one of the most used option is the recursive option which will be run given parameter on all current files and folders and their sub-files and sub-folders.
Linux provides the chmod command which is used to change file and folder permission. The chmod command is provided by all major Linux distributions like Ubuntu, Debian, CentOS, Mint, Kali, RHEL, SUSE, etc. The chmod command has different options and parameters but the chmod +x is one of the most popular and used options for … Read more
Linux is a command-line operating system where people really love to manage Linux from its powerful command line. Linux provides a lot of tools to manage from the command line. Linux provides the screen command and tool which is used to create multiple sessions and windows in command line like multiple tabs. Also, these sessions … Read more
While using a Linux system on a desktop, laptop, or server the disk space is important to monitor. The disk is used to store different types of data like files, database servers, codes, libraries, executables, etc. Linux provides different commands and tools in order to check disk space from a different point of view. Mainly … Read more
The less command is one of the commands which is used to display and read file contents into the terminal in Linux and Unix systems. less command makes it very easy to navigate, search in a file with a keyboard shortcut. less command first created for Unix systems where there is no GUI and every … Read more
grep is a popular tool in order to search and find a given term in files. grep can search multiple files at the same time and match using regular expressions etc. While searching files the matched lines can be printed to the screen with the grep command. In this tutorial, we will examine different ways … Read more
sudo command is a special command which is used to execute normal user commands with root privileges without logging as the root user. The sudo term is the short form of the “SuperUser Do” or “substitute user do“. This is not a security problem because in order to execute commands as root the user should … Read more
FTP is a very popular protocol that is named File Transfer Protocol used to transfer files between client and server over the network or internet. FTP exists for a long time and at the time it created security was not important. But today IT needs security and the SFTP or Secure File Transfer Protocol is … Read more