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Where does it talk about writing a shell? As far as I can tell, it's about using the kernel programming interface, which is of course very relevant to writing
by chubot 10y ago
Where does it talk about writing a shell?
As far as I can tell, it's about using the kernel programming interface, which is of course very relevant to writing a shell. But I don't see anything about the shell specifically here:
http://basepath.com/aup/toc.htm http://basepath.com/aup/toc.htm
- emmelaich 10y agoStarting from section 5.4, Implementing a shell, version 1 As it suggests, he adds features to the shell as he introduces the system calls needed. You can see the source here http://basepath.com/aup/ex/group__AUP2ex.html#Chap http://basepath.com/aup/ex/group__AUP2ex.html#Chap. 5 See files sh0.c (for versions 1 2 3) and sh3.c for version 4.
- chubot 10y agoYes this looks nice. xv6 has a tiny shell as well: https://pdos.csail.mit.edu/6.828/2016/xv6.html https://pdos.csail.mit.edu/6.828/2016/xv6.html