Quick start assessment

For each of the following terms:

Term Have seen Can explain
POSIX    
GNU    
BSD    
shell    
socket    
pipe    
signal    
process    
environment variable    
man(1)    
mount    
/proc    
strace/ktrace    
make    
valgrind    
object code    
ld    
dyld/ld.so    
int 0x80    
syscall    
void (*)(int)    
fork/exec/clone    
malloc/free    
mmap/munmap