网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）
A
renice 100 {PID}
B
renice -n 20 {PID}
C
renice --20 {PID}
D
renice -n -100 {PID}
参考答案
参考解析
解析：
暂无解析
更多 “单选题The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）A renice 100 {PID}B renice -n 20 {PID}C renice --20 {PID}D renice -n -100 {PID}” 相关考题
考题
某供应商关系模式为：Providler(PID，Pname，Tel，GoodsID，GoodsClas-sID, GoodsName，GoodsPrice)该关系模式应满足以下函数依赖：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，GoodsClassID)C．(PID，GoodsI)D．(PID，GoodsPric)
考题
某供应商关系模式为： Provider(PID，Pname，Tel，GoodsID，GoodsClassID，GoodsName，GoodsPrice)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，GoodsClassID．(PID，GoodsI(PID，GoodsPrice)
考题
请分析以下程序。 int main() { pid_t pid; pid = fork(); if(pid==0) printf("I am the child process, my process ID is%d\n",getpid()); else printf("I am the parent process, my process ID is%d\n",getpid());} 那么，该程序正确运行后的结果是A.I am the child process, my process ID is 3744 I am the parent process, my process ID is 3987B.I am the child process, my process ID is 3744C.I am the parent process, my process ID is 3987D.不输出任何信息
考题
当waitpid函数的pid参数设置为()表示等待任一子进程终止。A.pid==－1B.pid==0C.pid>0D.pid
当waitpid函数的pid参数设置为()表示等待任一子进程终止。A.pid==-1B.pid==0C.pid>0D.pid
考题
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=2B.I am the parent process, x=0C.I am the parent process, x=2D.I am the child process, x=0
考题
Thenicevalueis80inthepslisting.Whichcommandisusedtochangethistoavalueof100?()
A.renice100{PID}B.renice-n20{PID}C.renice--20{PID}D.renice-n-100{PID}
考题
Thenicevalueis60inthepslisting.Whichcommandisusedtochangethistoavalueof20?()
A.renice-n-20{PID}B.renice-n20{PID}C.renice-n-40{PID}D.renice-n40{PID}
考题
UNIX操作系统中，fork()系统调用用于创建进程。仔细阅读、分析下列程序，假设程序正确运行并创建子进程成功，那么，输出到屏幕的正确结果是main() { pid_t pid; pid = fork(); if (pid = = 0) printf ("Hello World\n"); else if (pid >0) printf ("Hello World\n"); else printf ("Hello World\n"); }A.什么都没有B.1行Hello WorldC.2行Hello WorldD.3行Hello World
考题
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，GoodsID)D) (PID，GoodsPricA．B．C．D．
考题
系统管理员发现一个运行时间很长的进程占用了很大一部分CPU资源并且导致其他用户开始这个进程的进程ID是23000。管理员应该运行（）命令来减少这个进程消耗CPU资源数量。A、nice-10 23000B、nice-n-5 23000C、renice-n10 23000D、renice-n-10 23000
考题
在linux系统中，要在运行yes命令时，指定其优先级为1，应执行（）命令。A、nice -1 yesB、nice 1 yesC、renice -1 yesD、renice 1 yes
考题
The output of the command displays the following. The output of the command displays the following. FSUID PID PPID C PRI NI ADDR SZ TTY TIME CMD 120005 A0 40931 392412 67 20 1b23 201 pts/0 0.00 scriptA 100023 A 0 34596 23441 4 69 20 a328 341 pts/00.00 scriptB. What must be done to ensure scriptB receives dispatching priority over scriptA?（）A、Run 'nice' command to increase the the NI value of scriptBB、Run 'nice' command to increase the the NI value of scriptAC、Run 'renice' command to increase the the NI value of scriptBD、Run 'renice' command to increase the the NI value of scriptA
考题
The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）A、 renice -n -20 {PID}B、 renice -n 20 {PID}C、 renice -n -40 {PID}D、 renice -n 40 {PID}
考题
The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）A、 renice 100 {PID}B、 renice -n 20 {PID}C、 renice --20 {PID}D、 renice -n -100 {PID}
考题
单选题The output of the command displays the following. The output of the command displays the following. FSUID PID PPID C PRI NI ADDR SZ TTY TIME CMD 120005 A0 40931 392412 67 20 1b23 201 pts/0 0.00 scriptA 100023 A 0 34596 23441 4 69 20 a328 341 pts/00.00 scriptB. What must be done to ensure scriptB receives dispatching priority over scriptA?（）A
Run 'nice' command to increase the the NI value of scriptBB
Run 'nice' command to increase the the NI value of scriptAC
Run 'renice' command to increase the the NI value of scriptBD
Run 'renice' command to increase the the NI value of scriptA
考题
单选题The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）A
renice -n -20 {PID}B
renice -n 20 {PID}C
renice -n -40 {PID}D
renice -n 40 {PID}
热门标签
最新试卷