man or help :
- Unix shell
- Thompson shell
- Ken Thompson
- Everything you need to know to start coding your own shell concept page
At the end of this project, you are expected to be able to explain to anyone, without the help of Google:
- Who designed and implemented the original Unix operating system
- Who wrote the first version of the UNIX shell
- Who invented the B programming language (the direct predecessor to the C programming language)
- Who is Ken Thompson
- How does a shell work
- What is a pid and a ppid
- How to manipulate the environment of the current process
- What is the difference between a function and a system call
- How to create processes
- What are the three prototypes of
main - How does the shell use the
PATHto find the programs - How to execute another program with the
execvesystem call - How to suspend the execution of a process until one of its children terminates
- What is
EOF/ “end-of-file”?