命令kill9的含义是()。
A.kills the process whose PID is 9
B.kills all processes belonging to UID 9
C.sends SIGKILL to the process whose PID is 9
D.sends SIGTERM to the process whose PID IS 9
第1题:
对于如下C语言程序 int main() { pid_t pid; int x=1; pid = fork(); if(pid==0) printf("I am the child process, x=%d\n", ++x); else printf("I am the parent process, x=%d\n", --x); } 在UNIX操作系统中正确编译链接后,其正确的运行结果是
A.I am the child process, x=2
B.I am the parent process, x=0
C.I am the parent process, x=2
D.I am the child process, x=0
第2题:
A. Each process has its own protected memory space.
B. Each process is started manually by the user at boot.
C. All processes are dependent on each other.
D. Multiple processes allow each routing protocol to be independent.
第3题:
某供应商关系模式为:
Provider(PID,Pname,Tel,GoodsID,GoodsClassID,GoodsName,Good-sPrice)
该关系模式应满足如下函数依赖:
PID→Pname,PID→TEL,GoodsID→GoodsClassID,
GoodsID→GoodsName,GoodsName→GoodsPrice
则这个关系模式的主码为______。
A) (PID,GoodsName)
B) (PID,GoodsGlassID)
C) (PID,GoodsI
D)D) (PID,GoodsPric
A.
B.
C.
D.
第4题:
kill-02345(某pid)命令的返回码为非0,原因可能是()
第5题:
UNIX中强制删除进程的命令是()。
第6题:
PID的含义是比例、积分和微分。
第7题:
Which of the following processes are likely to be found in a microkernel?()
第8题:
What is an advantage of multiple software process running in the Junos OS?()
第9题:
数字PID控制算法分为()PID控制算法和()PID控制算法。
第10题:
当waitpid函数的pid参数设置为()表示等待任一子进程终止。
第11题:
kill-1 123
kill-9 123
kill-15 123
kill-17 123
第12题:
第13题:
A、all whose homes
B、all of their homes
C、all of whose homes
D、all their homes
第14题:
A. Each process has its own protected memory space
B. Each process is started manually by the user at boot
C. Aall processes are dependent on each other
D. Multiple processes allow each routing protocol to be independent
第15题:
第16题:
什么是数字PID调节器?PID的含义分别是什么?
第17题:
kill-08080命令的返回码为非0,原因可能是?()
第18题:
Process-level redundancy is implemented by a system manager process that creates the standby process.What two functions are provided by the system-level process called Qnet Symlink Manager (QSM)?()
第19题:
You wish to kill a process with a PID of 123. Select the command which exiting.()
第20题:
What is an advantage of multiple software processes running in the Junos OS?()
第21题:
What is an advantage of multiple software processes running in the Junos OS?()
第22题:
Checkpoint (CKPT)
Process Monitor (PMON)
Archiver Processes (ARCn)
Recoverer Process (RECO)
Memory Manager process (MMAN)
第23题:
backing up the information for the broken connections
provides common information for connecting processes and services
detection of a failed connection
provides an abstract name for a process or service
distribution of symbolic link information