Understanding Linux: The Kernel Perspective @unix_byte
Book "Understanding Linux: The Kernel Perspective" https://t.co/ZcfVIhPSf6 Amazon: https://t.co/TsQGMPxSHn v1.09 now released Down Under Joined December 2017-
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One of the first reviews of Linux appeared in BYTE from Sep 1994. It was a Linux distribution packaged and sold by Fintronic USA
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Before BYTE became the go-to magazine for computer enthusiasts, there was Creative Computing. Published from 1974 to 1985, it was one of the first popular magazines dedicated to computer hobbyists.
While JPL and Wind River have not published detailed information, the NASA Curiosity rover likely runs Wind River’s VxWorks RTOS on a BAE RAD750 flight computer. Multiple technical sources from the mission era report VxWorks 6.7 as the RTOS baseline x.com/NASAMars/statu…
While JPL and Wind River have not published detailed information, the NASA Curiosity rover likely runs Wind River’s VxWorks RTOS on a BAE RAD750 flight computer. Multiple technical sources from the mission era report VxWorks 6.7 as the RTOS baseline x.com/NASAMars/statu…
Understanding Linux: The Kernel Perspective retweeted
VxWorks, a real-time operating system (RTOS) by Wind River, has been in development since 1980s. It is used in deterministic, real-time and safety-critical applications. Many well-known modern aircraft are running VxWorks on board. VxWorks has been heavily influenced by Unix
BYTE, in November 1984, reviewed the Agat computer (АГАТ КОМПЬЮТЕР)—Russia's first microcomputer—in unflattering terms. Nevertheless, for many years the Agat remained a popular computer in Soviet schools. Image by Sergei Frolov, leningrad.su/museum/
"People think of Bill Joy as this software guy, but he is also a great chip designer [...] he was in my office every day with a new idea. They were brilliant ideas [...] Finally I had to say, Bill leave me alone" Anant Agrawal, the lead designer of SPARC chip
UNIX/WORLD from 1984: Unix is great not only because it implements elegant concepts, but because it is portable and available in source [...] it is modifiable- it can become anything you want it to be. But if it becomes "standard", will it still be Unix?
Long before Microsoft developed Windows NT, it was betting on UNIX.
"Thompson decided that Unix—possibly it had not even been named yet—needed a system programming language. After a rapidly scuttled attempt at Fortran, he created instead a language of his own, which he called B. B can be thought of as C without types;" Dennis Ritchie, 1993
In August 1988, BYTE featured an article by Brian Kernighan and Dennis Ritchie on the state of C, followed by Bjarne Stroustrup’s article “A Better C?”, introducing C++.
Flame wars from 1982: "I have never even seen an advertisement for a programmer with Unix or C experience"
PVM (Parallel Virtual Machine) was an academic project that enabled concurrent computing over heterogeneous networked computers. The idea was to create a virtual computer from multiple idle workstations, i.e. a "poor man's supercomputer". XPVM was a GUI monitor for the PVM.
Stephen R. Bourne, known for the Bourne shell (sh), also wrote the original "Advanced Debugger" (adb) at Bell Labs for Version 6 Unix (1975). The prominent successors of adb are Sun's dbx and the GNU Debugger (GDB), now de facto standard on Linux.
Therefore, running $ exec /bin/ls will replace the shell with `ls`, causing the the shell to instantly disappear. x.com/unix_byte/stat…
Therefore, running $ exec /bin/ls will replace the shell with `ls`, causing the the shell to instantly disappear. x.com/unix_byte/stat…
In the bash source code, there is a “nofork” condition, which causes bash not to fork a child before executing a program. But why would bash want to execute a program without forking first? This is used by the bash exec built-in, which skips forking and calls execve() directly
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