题目内容

The following is the output of the command 'ps -t tty1', which one is the parent process of the zombie process.UID PID PPID C STIME TTY TIME CMDA root 2258 2199 0 10:09 tty1 00:00:00 -bashB root 2339 2258 0 10:13 tty1 00:00:00 ./zombC root 2340 2339 0 10:13 tty1 00:00:00 [zomb]

A root 2258 2199 0 10:09 tty1 00:00:00 -bash
B root 2339 2258 0 10:13 tty1 00:00:00 ./zomb
C root 2340 2339 0 10:13 tty1 00:00:00 [zomb]
D. none of the above

查看答案

搜索结果不匹配？点我反馈

更多问题

The correct combined commands for finding function "func" in all the .c file under the directory "/usr/src" is

A. find /usr/src –name *.c –print|xargs grep “func(”
B. find /usr/src –path *.c –print|xargs grep “func(”
C. find /usr/src –name *.c –print|grep “func(”
D. find /usr/src –path *.c –print|grep “func(”

查看答案

The directory structure of the Linux file system is an upside-down tree, with files placed in related directories. If there is an external device file, in which directory one should place.

A. /bin
B. /etc
C. /dev
D. /lib

查看答案

The combined command "ls - l | grep -v '^d'" means:

A. Display all directory files in a long list in the current directory.
B. Display all files in a long list in the current directory except directory files.
C. Display all files in a long list in the current directory
Display all device files in a long list in the current directory.

查看答案

The command to copy all files under directory 'abc' (including subdirectories) to the directory '/usr/xyz' is

A. cp –r abc /usr/xyz
B. cp –f abc /usr/xyz
C. cp –y abc /usr/xyz
D. cp –p abc /usr/xyz

查看答案

The following is the output of the command 'ps -t tty1', which one is the parent process of the zombie process.UID PID PPID C STIME TTY TIME CMDA root 2258 2199 0 10:09 tty1 00:00:00 -bashB root 2339 2258 0 10:13 tty1 00:00:00 ./zombC root 2340 2339 0 10:13 tty1 00:00:00 [zomb]

A root 2258 2199 0 10:09 tty1 00:00:00 -bash B root 2339 2258 0 10:13 tty1 00:00:00 ./zomb C root 2340 2339 0 10:13 tty1 00:00:00 [zomb] D. none of the above

The correct combined commands for finding function "func" in all the .c file under the directory "/usr/src" is

The directory structure of the Linux file system is an upside-down tree, with files placed in related directories. If there is an external device file, in which directory one should place.

The combined command "ls - l | grep -v '^d'" means:

The command to copy all files under directory 'abc' (including subdirectories) to the directory '/usr/xyz' is

A root 2258 2199 0 10:09 tty1 00:00:00 -bash
B root 2339 2258 0 10:13 tty1 00:00:00 ./zomb
C root 2340 2339 0 10:13 tty1 00:00:00 [zomb]
D. none of the above