As the name suggests, grep or global regular expression print lets you search for specific text patterns within a file’s contents. Its functionalities include pattern recognition, defining case sensitivity, searching multiple files, recursive search, and many more.  So whether you’re a beginner or a system administrator, knowing about the grep command to locate the files […]

Linux works well as a multiuser operating system. Many users can access a single OS simultaneously without interpreting each other. However, if others can access your directories or files, the risk may increase.  Hence, from a security perspective, securing the data from others is essential. Linux has features to control access from permissions and ownership. […]

Operating systems use packets for transferring the data on a network. These are small chunks of information that carry data and travel among devices. Moreover, when any network problem arises, packets aid in identifying the root cause of the underlying problem. How? By tracing the route of those packets. The traceroute command in Linux helps […]