public Explain • 5 min read • System Calls in Linux System calls are an integral part of the Linux architecture. Learn about the most common types of system calls in Linux.…
public Quick Tip • 3 min read • How to Suspend and Resume Processes in Linux [Quick Tip] Learn how to suspend a running process in the Linux command line. Also learn how to resume a stopped process.…
public Bash • 3 min read • Appending to Arrays in Bash In this quick Bash tip, you'll learn about appending to an existing array in bash.…
public Bash • 5 min read • Using exec Command in Bash Shell Scripts The exec command in shell scripts is super useful for logging, reading from files and running commands by replacing the current process.…
public Tips • 3 min read • Everything Essential About the tmp Directory in Linux Learn some crucial things about the /tmp directory. You'll also learn how it is different from the /var/tmp directory.…
public Bash • 2 min read • What is $0 in a Bash Script? Get familiar with the special variable $0 in Bash and learn its usage.…
public Quick Tip • 2 min read • Force Linux User to Change Password at Next Login Think the passwords need to be changed by a certain user? Here's how to force a Linux user to change the password at the next login.…
public Commands • 5 min read • Use chattr Command in Linux With chattr command, you can make a file 'undeletable' even by root. Here are some common usage of the chattr command in Linux.…
public Bash • 6 min read • Special Variables in Bash Shell Scripting The bash shell has some special variables that have specific usages and purposes. Learn more about them here.…
public Troubleshooting • 3 min read • Fixing Mount Point Does Not Exist Error in Linux Learn how to troubleshoot and fix the 'mount point does not exist' error in Linux with our step-by-step guide.…
public Troubleshooting • 3 min read • Fixing 'Umount Target is Busy' Error in Linux A not-so-uncommon error while using umount command is 'target is busy'. Learn what you can do to get rid of this error.…
public Commands • 4 min read • How to Replace Environment Variables Using the envsubst Command Learn how to replace environment variables using the envsubst command. This guide will show you how with examples and tips.…