⟩ Which among the following is used to write small programs to control Unix functionalities? a) Shell Commands b) Shell Script c) Filters d) C Language
b) Shell Script
b) Shell Script
Which command is used to set limits on file size a) fsize b) flimit c) ulimit d) usize
Which filesystem can be used to change certain kernel parameters at runtime using sysctl command? a) Ext3 b) Sysfs c) Ext4 d) Procfs
We can change the priority of a running process using (a) nice (b) renice (c) priority cannot be changed for a running process (d) only superuser can change the priority
The signal sent to a process when the Ctrl-C key is pressed is a) KILL b) TSTP c) TERM d) INT
Which of the following values for STAT column of ps command is not true a) status R means running b) Status S means sleeping c) Status E means exited d) Status Z means zombie
Which file system has journaling capability? a) Ext2 b) Ext4 c) Isofs d) Procfs
____ is a directory (which should exist), on which to mount the file system? a) Root b) Boot c) Mount-point d) Partition
A user issues the following command sequence $ a.out & $ bash $ a.out & If the user kills the bash process, then which of the following is true? a) The second a.out process is also terminated b) The second a.out process becomes a defunct process c) The first a.out process becomes a zombie process d) init process becomes parent of second a.out process
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