/// get the current working directory
FileName const getcwd();
-/// change to a directory, 0 is returned on success.
-int chdir(FileName const & name);
/// Change file permissions
bool chmod(FileName const & file, unsigned long int mode);
/**
/// copy a file, returns false it it fails
bool copy(FileName const & from, FileName const & to,
unsigned long int mode = (unsigned long int)-1);
-/// generates a checksum of a file
-unsigned long sum(FileName const & file);
/// FIXME: some point to this hmm ?
int kill(int pid, int sig);
/// FIXME: same here