101-500 Online Practice Questions and Answers

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Which command shows all shared libraries required by a binary executable or another shared library? (Specify ONLY the command without any path or parameters.)

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Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)

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What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)

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Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)

To what environment variable will you assign or append a value if you need to tell the dynamic linker to look in a build directory for some of a program's shared libraries?

A. LD_LOAD_PATH

B. LD_LIB_PATH

C. LD_LIBRARY_PATH

D. LD_SHARE_PATH

E. LD_RUN_PATH

Which of the following commands can be used to create a USB storage media from a disk image?

A. gdisk

B. dd

C. cc

D. fdisk

E. mount

A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?

A. rmdir '~/\dir'

B. rmdir "~/\dir"

C. rmdir ~/'dir'

D. rmdir ~/\dir

E. rmdir ~/\\dir

Which of the following commands installs GRUB 2 into the master boot record on the third hard disk?

A. grub2 install /dev/sdc

B. grub-mkrescue /dev/sdc

C. grub-mbrinstall /dev/sdc

D. grub-setup /dev/sdc

E. grub-install /dev/sdc

The command dbmaint and was used to run dbmaint in the background. However, dbmaint is terminated after logging out of the system. Which alternative dbmaint invocation lets dbmaint continue to run even when the user running the program logs out?

A. job dmaint

B. dbmaint and>/dev/pts/null

C. nohup dbmaint and

D. bg dbmaint

E. wait dbmaint

Which of the following commands redirects the output of ls to standard error?

A. ls >-1

B. ls <

C. ls >and2

D. ls >>2

E. ls |error