Creating a hard link to an ordinary file returns an error. What could be the reason for this?

The source and the target are on different filesystems.

The source file is a shell script.

The source file is already a hard link.

The source and the target are on different filesystems.

What is the purpose of the Filesystem Hierarchy Standard?

Itis a distribution neutral description of locations of files and directories.

It is a security model used to ensurefiles are organized according to their permissions and accessibility.

It provides unified tools to create, maintain and manage multiple filesystems in a common way.

It defines a common internal structure of inodes for all compliant filesystems.

Itis a distribution neutral description of locations of files and directories.

After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy.What is a common reason for this message?

A user has a file open in the /mnt directory.

The kernel has not finished flushing disk writes to themounted device.

A user has a file open in the /mnt directory.

Another file system still contains a symlink to a file inside /mnt.

The files in /mnt have been scanned and added to the locate database.

The kernel thinks that a process is about toopen a file in /mnt for reading.

What does the command mount -a do?

It mounts all filesystems listed in /etc/fstab which have the option auto set.

It mounts all available filesystems onto the current directory.

It shows all mounted filesystems.

It mounts all user mountable filesystems for thecurrent user.

It mounts all filesystems listed in /etc/fstab which have the option auto set.

It mounts all filesystems listed in /etc/fstab which have the option noauto set.

What do the permissions -rwSr-xr-x mean for a binary file when it is executed as a command?

The execute flag is not set for the owner. Therefore the SetUID flag is ignored.

The command is SetUID and it will be executed with the effective rights of the owner.

The command will be executed with the effective rights of the group instead of the owner.

The execute flag is not set for the owner. Therefore the SetUID flag is ignored.

The command will be executed with the effective rights of the owner and group.

Which of the following examples for Bash file globbing matches a file named root-can-do-this.txt when used in the directory holding that file? (Choose three correct answers.)

{root,user,admin}-can-??-this.txt

root***{can,may}-do-this.[tT][xX][tT]

What is the purpose of the xargs command?

It reads standard input (STDIN) and builds up command lines to execute.

It passes arguments to an X server.

It reads standard input (STDIN) and builds up command lines to execute.

It helps shellscripts take variable argument lists.

It asks a question, graphically, and returns the answer to the shell.

It allows users to specify long options for commands that normally only accept short options.

Which of the following statements is correct for a command line ending with a & character?

Thecommand is run in background of the current shell.

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.

In Bash, inserting 2>&1 after a command redirects:

standard output to standard error.

standard error to standard input.

standard input to standard error.

standard output to standard error.

standard error to standard output.

standard outputto standard input.

LPI 101-500 Practice Test 4 - Free Online Exam Questions 121-160

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

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LPI 101-500 Practice Test 4

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