Wildcards in LinuxWildcards in Linux are special characters that can be used to represent other characters. They are often used in shell commands to execute commands that display results. Wildcards are also used in regular expressions to match patterns in the system. ...Mar 25, 2024·3 min read
What is virtual memory?Linux supports virtual memory, that is, using a disk as an extension of RAM so that the effective size of usable memory grows correspondingly. The kernel will write the contents of a currently unused block of memory to the hard disk so that the memor...Mar 23, 2024·2 min read
Various Parts of an Operating SystemUNIX and 'UNIX-like' operating systems (such as Linux) consist of a kernel and some system programs. There are also some application programs for doing work. The kernel is the heart of the operating system. In fact, it is often mistakenly considered ...Mar 23, 2024·2 min read
Operating systemAn operating system or OS is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer and software programs would be useless. An operating system (som...Mar 21, 2024·2 min read
Inside Linux Kernel o The core of the UNIX system. Loaded at system start up (boot). Memory-resident control program.o Manages the entire resources of the system, presenting them to you and every other user as a coherent system. Provides service to user appli...Mar 21, 2024·2 min read
History of Unix/Linux1965 Bell Laboratories joins with MIT and General Electric in the development effort for the new operating system, Multics, which would provide multi-user, multi-processor, and multi-level(hierarchical) file system, among its many forward-looking fea...Mar 21, 2024·2 min read