Knowledge

The student...

knows the operating system families Unix and Linux: their background and history and overall architecture and structure
knows the development and use of the programming language C
understands what virtualisation is
knows the building process in C including: compile and link
can explain the concept «everything is a file» and knows examples, including: devices and procfs
understands what a file system is and its uses
understands the concepts behind the users and permissions in Linux
knows the differences between user space and kernel space and how to use system call and signals
knows the memory areas stack and heap and be able to explain the difference
knows the concept "buffer overflow" and why it is dangerous

Skills

The student...

can use basic constructions in the programming language C, including: main, basic types, printf, scanf, strings, #include, enum, typedef, struct, union, command line parameters, macros, varargs and Static memory handling
can develop programs according to the paradigm structured programming;
can use dynamic memory handling, including: malloc, free, pointers, memcpy, sprintf, arrays, sizeof
can read and write individual and group bits in an larger data structure
can generate executable files from C code: makefile and static libraries
can implement reading and writing to file: r/w modes and seek and buffer size
can operate the command line in Linux to execute important operations, including: ls, cd, mkdir, rm, cp, chmod, chown, pwd, ps, kill, man, wget and pipes, redirection and starting programs and mounting file systems
can make programs that avoid buffer overflows
undsertands and can utilise threads to run tasks in prallel
undsertands and can utilise sockets to communicate between computers on a network

General competence

The student...

can assess in which situations it makes sense to use the programming language C;
is able to use C to solve system programming tasks;
is able to use manual memory handling;
is able to use linux as operating system

Subject description PG3401

Programming in C for Linux