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Which of the following statements is correct for a command line ending with a & character?
The command’s output is redirected to/dev/null.
The result of the command defines if the next command will be run.
Thecommand is run in background of the current shell.
The command is run as a direct child of theinitprocess.
Which of the following statements is correct when talking about /proc/?
All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
All files within /proc/ are read-only and their contents cannot be changed.
All changes to files in /proc/ are immediately recognized by the kernel.
All files within /proc/ are only readable by the root user.
Which signal is sent by the kill command by default?
SIGHUP(1)
SIGQUIT(3)
SIGKILL(9)
SIGTERM(15)