Which of the following abbreviations is used to implement the breakpoint function of gdb()
A. n
B. i
C. b
D. l
Which of the following paths holds all the device files of the system()
A. bin
B. dev
C. lib
D. root
When compiling a program with gcc, only the preprocessing phase is carried out, which of the following options()
A. -E
B. -S
C. -c
D. -o
Which of the following ‘shell’ environment variables identifies the system executable file path()
A. HOME
B. PATH
C. TERM
D. PWD