Vcenter default shell bash4/7/2023 ![]() The Bourne shell, written by Stephen Bourne, was an upgraded replacement for the Thompson shell. RELATED: What Is Unix, and Why Does It Matter? The Bourne Shell It was replaced by the Bourne shell in Version 7 of Unix in 1979. The Thompson shell was used as the default Unix shell up to and including Unix Version 6. It was written by Ken Thompson, who is possibly the most key member of the original Unix founding fathers at Bell Labs. The first Unix shell was the Thompson shell, called sh. Scripts deliver efficiency, repeatability, and convenience. All the commands in the script are executed for you each time you run the script. Shells also allow you to parcel up a collection of commands into a text file called a script. The command line is provided by the shell, and the terminal window lets you access the shell. In order to do anything useful, you must be able to type instructions at a command line. It gives you a connection to the computer. A terminal window is a software representation of a physical teletype terminal. People often use the phrases “terminal windows,” “command line,” and “shell” interchangeably, but they’re three distinct things. ![]()
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