D281 / C851 LPI Linux Essentials

D281 / C851 LPI Linux Essentials

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Students also studied Terms in this set (81) Western Governors UniversityD 426 Save WGU C851 (Linux Foundations) 81 terms aurielcofieldPreview Linux Essentials LPI 010-160 80 terms Name_Name83Preview LPI Linux Essentials 010-160 81 terms superyeeter42069 Preview LPI Linu 950 term Spa In order for software to be certified as open source, which of the following is not required?A.) The license must not discriminate against people or groups of people.B.) The license must not require that the software be distributed as part of a specific product.C.) The license must require that changes be distributed under the same license.D.) The program must come with source code, or the author must make it readily available on the Internet.E.) The license must automatically apply to anybody who acquires the software.

• Option C does not describe an open source requirement, and so it is the

correct answer.Which is true of Linux distributions as a whole?A.) They're covered by the GPL or the BSD license, depending on the distribution.B.) Sometimes they may not be copied because of the non- open source software they may contain.C.) They may be copied only after software using the MIT license is removed.D.) They all completely conform to the principles of the open source movement.E.) They all qualify as free software as the FSF uses the term

• Some distributions (particularly "Enterprise" versions that are sold for money)

include software that is neither open source nor even freely redistributable, so option B is correct.

Which of the following is a characteristic of all open source software?A.) The software cannot be sold for profit; it must be distributed free of charge.B.) It must be distributed with both the source code and binaries.C.) Users are permitted to redistribute altered versions of the original software.D.) The software was originally written at a college or university.E.) The software must be written in an interpreted language that requires no compilation.

• The open source definition includes 10 points, one of which is that users may

modify the original code and redistribute the altered version.

True or false: VMS was a common OS on x86 PCs at the

time Linux was created.False. VMS was an OS for minicomputers and mainframes when Linux was created.On x86 computers, DOS was the dominant OS in 1991.A type of software that's distributed for free but that requires payment on the honor system if a person uses it is called?A.) open source B.) commercial C.) freeware D.) shareware E.) Virus

• Shareware allows a program author to release the binary executable program

to the public without payment but ask for payment if the program is used.dnf check-updateUpdater for Redhat/Fedora dnf upgradeupgrade local packages Redhat/Fedora dnf search

Search package repo dnf infoshow package info dnf installinstall package dnf eraseto remove rpm package (using dnf) apt updateUpdate APT database of available packages.apt upgradeInstalls all available package updates apt dist-upgradeupdate the full distro apt autoremoveremove unused packages apt installinstalls a package apt searchsearch repo

apt showshow package info ps commandThe command used to obtain information about processes currently running on the system.top commandThe command used to give real-time information about the most active processes on the system; it can also be used to renice or kill processes.grep commandA Linux command that searches files for patterns of characters using regular expression metacharacters. The command name is short for "global regular expression print." boot.logServices started via SysV scripts, as well as messages recorded during startup cups/ logprint logs GDM logsgnome logs messages / sysloggeneral messages secure logssecurity logs Xorg.0.logInformation on most recent startup of the X Window System, that is, messages from the X Window System kernel ring bufferA record of recent messages generated by the Linux kernel. Immediately after a Linux system boots, this buffer contains the bootup messages generated by drivers and major kernel subsystems. This buffer may be viewed with the dmesg command.dmesg commandA command that displays hardware-related messages generated by the Linux kernel.iwlistA command that identifies nearby Wi-Fi networks.iwconfigA command-line utility for viewing and setting wireless interface parameters on Linux and UNIX workstations.ifconfigA TCP/IP configuration and management utility used with UNIX and Linux systems.route commandA command-line tool that shows a host's routing table./etc/resolver.confdns host file ip address showsame as ifconfig ip link showShows the interfaces along with some details on them ip link set change the state or config of a link

All Linux distros are capable of creating a network connection automatically.True/False False whoamiDisplay the current username who commanddisplays the users who are currently logged in to the Linux system JCPUAn entry of the w command that identifies the total amount of CPU time associated with the session.PCPUAn entry of the w command that identifies the total amount of CPU time associated with the current process running in the session.adduseradd a user to the system useradd -s -d -m -G similar to adduser passwd -S usernamedisplays the status of the user account.passwdchange password chage -l usernamedisplays the status of the user account.groupmodModify an existing group usermodModify user account deluserremove a user from the system userdelDelete a user account groupaddCreate a new group sticky bitWhen applied to a directory it specifies that only the owner of any file in the directory can rename, move, or delete that file Which of the following is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user?A.) Remote Computing B.) On-demand Computing C.) Cloud Computing D.) Passive Computing C.) Cloud Computing