Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground sends which of the following signal codes?

• A.1(SIGHUP)
• B.3(SIGQUIT)
• C.9(SIGKILL)
• D.2(SIGINT)
• E.15(SIGTERM)

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Which wildcards will match the following filenames? (Choose two.)

• A.ttyS2
• B.tty?[0-5]
• C.tty[A-Z][012]
• D.ttyS1
• E.ttyS[1-5]
• F.ttyS0
• G.tty[Ss][02]
• H.tty*2

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Which of the following statements is correct regarding the command foo 1> bar?

• A.The stdout from the command foo is appended to the file bar.
• B.The command foo receives its stdin from the stdout of the command bar.
• C.The command foo receives its stdin from the file bar.
• D.The stdout from the command foo overwrites the file bar.
• E.The stderr from the command foo is saved to the file bar.

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Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

• A./etc/inittab
• B./etc/keys
• C./proc/inittab
• D./etc/reboot
• E./proc/keys

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The command dbmaint & was used to run dbmaintin the background. However, dbmaintis terminated after logging out of the system. Which alternative dbmaintinvocation lets dbmaintcontinue to run even when the user running the program logs out?

• A.bg dbmaint
• B.wait dbmaint
• C.nohup dbmaint &
• D.dbmaint &>/dev/pts/null
• E.job -b dmaint

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