cash A completely dumb restricted interactive shell for your Mac
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shell command line cli CLI shell command line shell cash shell

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A completely dumb restricted interactive shell for your Mac cash is probably the smallest restricted shell ever written in C. cash features 160 lines of C with comments. Currently cash just works. cash has originaly been made for a C practical exercise to student to learn how to manage memory allocation, string reading and parsing and also fork and exec Unix system calls. You can learn C by reading the source code of cash and imagine improvements from your own. NOTE: cash is provided and licensed under the terms of the WTF Public License v2.0. Here are some key features of "cash": · unallow commands using '/' · unallow use of 'env' · unallow launching one of /etc/shells · allow "cd" · allow only commands located in /bin and /usr/bin · compiles on dietlibc and glibc

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