pid extended with function pidUsed to check whether a pid is used or not. waitpid implemented. bug in list if empty
Merge branch 'master' of /projects/instr/14au/cse451/os161 into waitpid
Merge branch 'files'
waitpid implemented. bug in pid.c fixed
merged with github master
waitpid implemented. implementation of exit started. cleanup is left here -> TODO
Merge branch 'master' into files
testes open read write on kernel level with the console - had to uncomment some PID lines
added some more IO tests
added userland test for IO
file descriptors fully tested - copy implemented