Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Linux bash provides the eval command in order to run a specified string or text as a command. The provided text or string is read and concatenated together into a single command. Then this command is executed in the bash shell. The exit status of the executed command is returned as the value of eval … Read more
Date, time, and timezone are very important for IT systems. This information is used to provide information about log time, operation time, etc. The date is related to the day, weekday, month, yea, etc. Time is related to the hour, minute, second, etc. Timezone is the difference between current location time from the GMT. Print … Read more
Linux provides a Swap file which is used as a memory or RAM. Typically currently running processes, tasks and jobs use memory and RAM in order to store volatile information. But in some cases, the available memory space is not enough. When the memory filled up a disk-based memory file named Swap is used to … Read more
The curl command is used to make requests and act as a client for a lot of popular network-based protocols. HTTP requests can be created with the curl command easily. HTTP Get request is a popular request to get remote resources via the HTTP protocol. In this tutorial, we will learn how to make HTTP … Read more
GCC (GNU Compiler Collection) is a collection of tools used to compile different programming languages source code into binary, executables, or libraries. GCC supports a lot of programming languages like C, C++, Java, Objective-C, Go, Fortran, Ada, etc. A lot of open-source projects use the GCC to compile source code to binary. In this tutorial, … Read more
Linux provides the cron job for the jobs, tasks, or processes which should be run at the specified intervals. A cron job can be configured for different intervals like daily, weekly, every two days at the specified time, etc. One of the most used intervals is running a job every minute. Run Cron Job In … Read more
Linux provides the $PATH environment variable in order to store the paths or location of the binaries or executables. When a command or executable is called from the shell or application the $PATH environment variable is used to look up the locations. The $PATH variable stores multiple locations which are inspected for the specified command … Read more
Linux Bash Shell is a complete shell with programming features. The bash shell provides variables and arithmetic operations like sum, divide, etc. The bash shell variables can be incremented in different ways. This incrementation operation can be done in different ways. In this tutorial, we will learn different ways to increment or increase a variable … Read more
Task Manager is a special tool used to list current running processes, RAM usage, Disk usage, Network usage, etc. Task managers are very important to monitor and detect system slowdowns etc. Linux provides a lot of task management tools that are more capable than the Windows Task Manager. In this tutorial, we will list and … Read more
Linux operating system manages and uses different system resources. The memory or RAM is one of the most important system resources where every running process, command, service, the job requires and uses some memory. So a typical system has a lot of processes and services it uses and manages a lot of memory. A typical … Read more