101-400 Exam Questions

Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

Which of the following commands lists all currently installed packages when using RPM package management?

Which of the following commands can be used to download the RPM package kernel without installing it?

When removing a package, which of the following dpkg options will completely remove the files including configuration files?

Which file should be edited to select the network locations from which Debian installation package files are loaded?

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

Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

What is the maximum niceness value that a regular user can assign to a process with the nice command when executing a new process?

Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?

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

In compliance with the FHS, in which of the directories are man pages found?

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

What is the purpose of the Bash built-in export command?

What is the output of the following command? echo "Hello World" | tr -d aieou

Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and...

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

Which of the following commands displays the contents of a gzip compressed tar archive?

Which grep command will print only the lines that do not end with a / in the file foo?

Which of the following commands is used to change options and positional parameters for a running Bash?

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?

Which shell command is used to continue background execution of a suspended command?

Which of the following shell redirections will write standard output and standard error output to a file named filename?

In the vi editor, which of the following commands will copy the current line into the vi buffer?

Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

Which of the following commands will reduce all consecutive spaces down to a single space?

Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

Which of the following commands will print the last 10 lines of a text file to the standard output?

Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?

What happens after issuing the command vi without any additional parameters?

Which of the following command sets the Bash variable named TEST with the content FOO?

Which variable defines the directories in which a Bash shell searches for executable commands?

Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers....

When running the command sed -e "s/a/b/" /tmp/file >/tmp/file While /tmp/file contains data, why is /tmp/file empty afterwards?

When given the following command line. echo "foo bar" | tee bar | cat Which of the following output is created?

Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem. Which of the following describes the resulting situation?

After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)

Which of the following commands changes the ownership of file.txt to the user dan and the group staff?

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?

What does the command mount -a do?

Which of the following settings for umask ensures that new files have the default permissions -rw- r----- ?

Which of the following is the device file name for the second partition on the only SCSI drive?

Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)