In Linux, you can have multiple users working on the system simultaneously. That’s what qualifies Linux as a multi-user system. You can utilize the useradd commands in Linux to manage the system’s connected users. System administrators use this command frequently to create new users.
terminal
How to Change SElinux Operational Mode
SELinux, which stands for Security Enhanced Linux, is an extra layer of security control built for Linux systems. The original version of SELinux was developed by the NSA. Other key contributors include Red Hat, which has enabled it by default in their own RHEL and its derivative Linux distributions.
at command in Linux with examples
In Linux, you can automate many processes using various commands. You can even automate the process of running those commands. You can use the at command to run commands at a specified point in the future or it will only run these commands once. You can specify the time using key words like “tomorrow,” next week,” etc.
bc command in Linux with examples
Most users naturally think of a calculator on their computer as a GUI application, or something that is accessed directly from the desktop. But it’s also possible to use the bc command in Linux to run calculations through the command line terminal. bc is an acronym for “basic calculator.”
cal command in Linux with examples
Most users naturally think of the calendar on their computer as a GUI application, or something that is displayed directly from the desktop. But it’s also possible to use the cal command in Linux to view the calendar through the command line terminal.
cksum command in Linux with examples
Transferring files is a common activity you’ll frequently engage in, whether you are using Linux or any other operating system. Typically, this will go pretty smoothly, as this process is not very complex for computer systems. But file corruption can occur in some instances. The cksum command in Linux helps us verify file integrity and weed out corrupted downloads and file transfers.
alias command in Linux with examples
Alias command is an extremely useful tool. You’ve probably noticed that, in the Linux command line, you have to do a lot of typing. And sometimes, this can pose some problems as it is very easy to make mistakes while typing. A very common typo that many users make in the Linux command line terminal is sl instead of ls. This can be quite annoying as you will have to retype the entire command. Linux is designed to be fast, convenient, and efficient, so when things don’t exactly play out that way, it can result in a decent amount of frustration.
chgrp command in Linux with examples
The chgrp command in Linux can change the group ownership of one or multiple files or directories. In Linux, every file has a few permissions: read, write, and execute. These permissions are assigned to specific users and groups to allow access to these operations
cd command in Linux with examples
One of the most essential commands in Linux is the change directory command or cd command. This is how you will navigate to different directories throughout your system. Using this command will change your current working directory to a different one you specify.
export command in Linux with examples
The export command in Linux is used to set an environment variable. Environment variables are part of the Linux system shell that contain changing values. They help facilitate scripts and system programs, so that code can accommodate a variety of scenarios. Unlike regular shell variables, environment variables can be accessed system-wide, by any user or process.