Linux Essentials

Which of the answers listed below refers to a command used for invoking a text editor in Unix-like operating systems?

• vi

• edit

• notepad

• none of these

  The comparison operator " -eq " is used for

• Numbers

• Charaters

• Strings

• Any kind of data

which of the following commands should run following the installation of a shared library to update the /etc/ld.so.cache files?

• ldd

• updatedb

• ldconfig

• dpkg-reconfigure

Which of the following is a hashing algorithm?

• MD5

• PGP

• DES

• ROT13

which of the following commands will list missing libraries as not found if a necessary library is not installed?

• ldd

• ldconfig

• ldso

• ldchk

command used to save

• esc :wq

• vi filename

• esc :w

• esc :q!

Which among these is NOT a Linux distribution

• FEDORA

• UBUNTU

• REDHAT

• WHITEHAT

"CLI" stands for?

• Control Line Interface

• Command Line Interface

• Continue Line Interface

• Commands Line Interface

which of the following is not a valid compression file extension for the linux operating system?

• vz

• xz

• gz

• bz2

What is the command to list hidden files & directory?

• ls -l

• ls -a

• ls

• None of these