Linux Exam training 1

What is the Linux command you can use to find out where a specific command is located on the filesystem?

• which

• find

• path

• locate

Which command removes only write permissions from every object below /project, while leaving other permissions unchanged?

• chmod -R 555 /project/*

• chmod -R ugo=rx /project/*

• chmod -R ugo-2 /project/*

• chmod -R a-w /project/*

What is RHEL

• A Linux distribution

• A Linux Package Manager

• A Linux command

• A graphical user interface for Linux

In VI which command saves your edited file and ends the VI-editor?

• wq!

• /q

• quit

• endsave

If you create a file in your homedir using the Linux command 'touch testfile1234.txt' and you want to find with the search command... What is correct to locate the new file (one or more answers can be correct)

• First run 'updatedb' and then run 'locate testfile'

• Use the command: locate testfile1234.txt

• Use the command: find -name *.txt

• Use the command: find /~ -name testfile1234.txt

For a Linux CLI command, options are used to...

• Make scripted commands more advanced

• set variables

• Modify the core behavior of a command

• Provide additional information (such as a filename)

What is a 'distribution'?

• An open-source-export service for Linux

• The graphical user interface components of Linux in a bundle

• The Linux kernel, tools and applications bundled together

• An open-source-software tool that comes with Linux

When entering '!<num>' on the command prompt, what will happen (<num> replaced by a numeric value)?

• The value <num> will be printed on the screen

• The command with the number <num> from the command history will be executed

• The Variable '!' will be loaded with the value of <num>

• You will get a 'value not found' error

When typing the command 'who' what will be the output?

• The password expiracy date of your current userID

• Your currect userID and for how long you are logged in

• Your current userID and your working directory

• A list of all users logged in on the system

What configuration file is built automatically to specify which Domain Name System (DNS) servers will be queried

• /etc/named.conf

• /etc/resolv.conf

• /etc/hosts

• /etc/sysconfig/dns