Since the early days of Unix, the shell has been part of the user's interface with the operating system. The first Unix shell (the Thompson shell) had very limited features, mainly I/O redirection and command pipelines. Later shells expanded on that early shell and added more and more capabilities, which gave us powerful features that include word expansion, history substitution, loops and conditional expressions, among many others.
The SECAM signalThe French TV system did not use NTSC but SECAM which is a lot like PAL. To decide how much to decal a line, Discret 11 uses a secret 11-bit key (hence the name). Discret 11 modulates the signal via AM using a carrier signal of 12.8 kHz (with a low-filter to avoid aliasing). In December 1984, Radio Plans magazine almost printed the Discret 11 schematics but was legally barred from it by a court decision. The encryption system was updated to Nagravision encryption in 1992 and Discret 11 was retired by 1995.
It’s no secret that the American meat supply chain has been seriously harmed by COVID-19. Nonetheless, the CDC insists that despite the turmoil of the shutdowns and shortages, our meat remains safe to eat. But an investigation by The Prepared suggests otherwise: We’ve learned that many large US meat processing plants have sought and obtained The post Meat supply safety worries mount: even if it’s available, should you eat it? appeared first on The Prepared.
Coronavirus tests are hard to come by, but like all rare things in high demand, rich and famous people are first in line. Actually, there is no line for VIPs - nurses in protective gear come to them to swab their privileged snouts. From Herald-Mail Media: In Beverly Hills, Dr. David Nazarian, a primary care…