Which command is used to query information about the available packages on a Debian system?
Which command is used to query information about the available packages on a Debian system? A. apt-cache B. apt-get C. apt-search D. dpkg E. dpkg-search
Which command is used to query information about the available packages on a Debian system? A. apt-cache B. apt-get C. apt-search D. dpkg E. dpkg-search
Which of the following explanations are valid reasons to run a command in the background of your shell? A. The command does not need to execute immediately. B. The command has to run immediately but the user needs to log…
What does the + symbol mean in the following grep regular expression: grep ‘^d[aei]+d$’ /usr/share/dict/words A. Match the preceding character set ([aei]) one or more times. B. Match the preceding character set ([aei]) zero or more times. C. Match the…
While editing a file in vi, the file changes due to another process. Without exiting vi, how can the file be reopened for editing with the new content? A. :r B. :n C. :w D. :e
What is the name of the main configuration file for GRUB? (Please specify the file name with no path information)
What option, when passed to the yum command, will update the entire system? (Specify ONLY the option name with no additional parameters)
Which of the following statements is a TRUE difference between GRUB Legacy and GRUB 2? A. GRUB 2 no longer requires a configuration file. B. Partition numbers start at 0 in GRUB Legacy and 1 in GRUB 2. C. grub-mkconfig…
The GRUB_TIMEOUT parameter specifies a timeout period when booting in what unit of time? A. milliseconds B. tenths of seconds C. seconds D. minutes
Which of the following commands will NOT update the Modify timestamp on the file /tmp/myfile.txt? A. file /tmp/myfile.txt B. echo "Hello" >/tmp/myfile.txt C. sed -ie "s/1/2/" /tmp/myfile.txt D. echo -n "Hello" >/tmp/myfile.txt E. touch /tmp/myfile.txt
Which of the following commands will print important system information such as the kernel version and machine hardware name? A. sysinfo B. uname C. lspci D. arch E. info