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Operating Systems and Applications | Kerala PSC LDC
- Fact 1 of 8🐧
Linux kernel was first released in 1991
Linus Torvalds, a Finnish student, released the first Linux kernel in 1991. Linux is a free, open-source kernel and is widely asked about in Kerala PSC exams on operating systems.
- Fact 2 of 8🧩
GNU stands for 'GNU's Not Unix'
Richard Stallman launched the GNU project in 1983 to build a free Unix-like system. Its name is a recursive acronym, which often appears as a tricky exam question.
- Fact 3 of 8🕰️
Unix was developed at Bell Labs
Unix was developed at AT&T's Bell Labs around 1969 to 1970 by Ken Thompson and Dennis Ritchie. Many modern operating systems, including Linux and macOS, trace their design roots to Unix.
- Fact 4 of 8📜
Linux is licensed under the GNU GPL
The Linux kernel is distributed under the GNU General Public License (GPL), version 2. This license lets users run, study, modify and share the software freely.
- Fact 5 of 8🤖
Android is built on the Linux kernel
Android, the most widely used mobile operating system in the world, is built on the Linux kernel. This is a common question in PSC exams on OS and application software.
- Fact 6 of 8🟠
Ubuntu is based on Debian
Ubuntu, one of the most popular Linux distributions, is derived from Debian GNU/Linux. A distribution is a complete OS package built around the Linux kernel.
- Fact 7 of 8📝
LibreOffice was forked from OpenOffice.org
LibreOffice was created in 2010 as a fork of OpenOffice.org, which was then owned by Oracle. It is a free office suite with Writer, Calc and Impress applications.
- Fact 8 of 8🆓
Free Software Foundation was founded in 1985
Richard Stallman founded the Free Software Foundation in 1985 to promote the freedom to use, study, change and share software. Its ideas are central to free and open-source software.
