⟩ The -H option of gcc a) prints the name of each header file used b) is used to include header file c) ignores the header file which are not required by source code d) none of the mentioned
a) prints the name of each header file used
a) prints the name of each header file used
When a child process exits before the parent process exits, which of the following is true a) the child process becomes defunct b) the parent process becomes defunct c) if the parent process does not handle SIGCHLD, the child process becomes a zombie d) none of the above
Which signal is sent by the command "kill -9 "? a) INT b) TERM c) KILL d) STOP
User's Primary Group id is listed in which file, at the time of creation of the user (On a standard Unix system) a) /etc/passwd b) /etc/groups c) /etc/login d) /etc/profile
A user can change the default log-in shell using a) chmod b) chsh c) rmsh d) tchsh
Process information in the current shell can be obtained by using a) kill b) bg c) fg d) ps
If a program executing in background attempts to read from STDIN a) It is terminated b) It's execution is suspended c) STDIN is made available to it d) None of the mentioned
Which of the following identifiers associated with a process decide its privilege level a) uid b) suid c) euid d) gid
How to run a process in the background? a) & b) * c) ? d) |
User id 0 is a) An invalid user id b) The id of the root user c) The id of a user when the user's account is deleted d) None of the above
The /etc/passwd file doesn't contain a) userid b) home directory for a user c) login shell name d) None of the above