CompTIA Linux+ LX0-103 Exam validates the competencies required of an early career system administrator supporting Linux systems. Getting certifications make you a preferable candidate for the job as well as increases your importance. They help in showing your commitment towards your aim and dedication towards your work and organization. The IT industry has paced up a lot since last decade and is expected to grow a lot in future. IT related career options continues to be at the top of list in terms of career transitions or skill transitions. This is all because in this technological epoch, a certified professional is valued more than a normal employee who just holds the degree. All the companies, be it an IT company or non-IT company, demand highly skilled and certified professionals at work to increase the efficiency and perfection of the work. CompTIA Linux+ LX0-103 validates the competencies required of an early career system administrator supporting Linux systems. The new CompTIA Linux+ is for the IT pro who will use Linux to manage everything from cars and smartphones to servers and supercomputers, as a vast number of enterprises use Linux in cloud, cybersecurity, mobile and web administration applications. In the new CompTIA Linux+ LX0-103, candidates are only required to pass one exam for certification. However, the new certification is no longer eligible for the LPI 2-for-1 offer. CompTIA Linux+ is the only job-focused Linux certification covering the latest foundational skills demanded by hiring managers. TOPICS System Architecture 14%Determine and configure hardware settings. Enable and disable integrated peripheralsConfigure systems with or without external peripherals such as keyboardsDifferentiate between the various types of mass storage devicesKnow the differences between coldplug and hotplug devicesDetermine hardware resources for devicesTools and utilities to list various hardware information (e.g, Isusb, lspci)tools and utilities to manipulate USB devicesConceptual understanding of sysfs, udev, dbusBoot the system. Provide common commands to the boot loader and options to the kernel at boot timeDemonstrate knowledge of the boot sequence from BIOS to boot completionUnderstanding of SysVinit and systemdAwareness of UpstartCheck boot events in the log fileChange runlevels/boot targets and shutdown or reboot system. Set the default runlevel or boot targetChange between runlevels/boot targets including single user modeShutdown and reboot from the command lineAlert users before switching runlevels/ boot targets or other major system eventsLinux Installation and Package Management 18%Design hard disk layout. Allocate filesystems and swap space to separate partitions or disksTailor the design to the intended use of the systemEnsure the /boot partition conforms to the hardware architecture requirements for bootingKnowledge of basic features of LVMInstall a boot manager. Providing alternative boot locations and backup boot optionsInstall and configure a boot loader such as GRUB LegacyPerform basic configuration changes for GRUB 2Interact with the boot loaderManage shared libraries. Identify shared librariesIdentify the typical locations of system librariesLoad shared librariesUse Debian package management. Install, upgrade and uninstall Debian binary packagesFind packages containing specific files or libraries that may or may not be installedObtain package information such as version, content, dependencies, package integrity and installation status (whether or not the package is installed)Use RPM and YUM package management. Install, re-install, upgrade and remove packages using RPM and YUMObtain information on RPM packages such as version, status, dependencies, integrity and signaturesDetermine what files a package provides, as well as find which package a specific file comes fromGNU and Unix Commands 43%Work on the command line. Use single shell commands and one line command sequences to perform basic tasks on the command lineUse and modify the shell environment including defining, referencing and exporting environment variablesUse and edit command historyInvoke commands inside and outside the defined pathProcess text streams using filters. Send text files and output streams through text utility filters to modify the output using standard UNIX commands found in the GNU textutils packagePerform basic file management. Copy, move and remove files and directories individuallyCopy multiple files and directories recursivelyRemove files and directories recursivelyUse simple and advanced wildcard specifications in commandsUse find to locate and act on files based on type, size or timeUsage of tar, cpio and ddUse streams, pipes and redirects. Redirecting standard input, standard output and standard errorPipe the output of one command to the input of another commandUse the output of one command as arguments to another commandSend output to both stdout and a fileCreate, monitor and kill processes. Run jobs in the foreground and backgroundSignal a program to continue running after