Linux, FreeBSD or unix command related topics go here.
The exit command is used to exit from the current shell in a Linux or Unix system. Probably you may have used it before if you ever worked with a Linux or Unix terminal. You can use the exit command with or without parameters if no parameters are provided it will return the status of … Read more
The iwconfig command in Linux is similar to ifconfig command but instead of configuring all types of network interfaces, it is used specifically to display and configure different parameters of a wireless network interface. For example, you can configure the SSID, frequency, and password, or encryption type of a wireless network. In this article, I … Read more
There are a lot of ways in Linux using which you can power off your system or schedule your system to power off at a specified time. Scheduling a systems power-off can be very useful in situations such as system updates is in progress and you want to shutdown it once the update is completed. … Read more
The cfdisk is a partition editor program in Linux that can be used to create, delete and modify partitions on a system. It supports the partitioning of the disk that uses MBR, GPT, BSD disklabel, and SUN disk labels. cfdisk has a terminal-based menu interface that shows a list of all disks and partitions with … Read more
When you execute a command in a Linux system it starts a process and when you exit from the terminal it gets automatically terminated. In some situations, you may want to keep running a process even after exiting from the terminal. So how will you do that? Well, we can use nohup (No Hang Up) … Read more
The nslookup ( name server lookup ) command is used to get information from a DNS server. This information can include IP address details, MX record of a name server, etc. It is used for troubleshooting DNS-related problems on a system. This command usually works in two modes interactive and non-interactive modes. In interactive mode, … Read more
The cat is one of the most frequently used commands in Linux which is used to print the content of a file on the standard output. This command is also used to create, append the content of one file to the end of another file, and view the content of a file. The tac command … Read more
There are multiple ways to create or remove directories in a Linux system. You can create it from GUI or using a terminal. Knowing how to create or remove directories using commands can be very useful because most Linux systems offer only a command-line interface to perform a task. I already explained how to use … Read more
The read command in Linux is used to read a line from the standard input. It then splits the line into words the first word is assigned to the first variable, the second word is assigned to the second variable, and so on. In this article, you will learn how to use Linux read command … Read more
The id command in Linux is used to print the real and effective user and group ids. By using the Id command you can display the given information. The real user-id of current or a specific user Display the user id and all the groups associated with it List out all groups a user belongs … Read more
