término  |
definición |
|
empezar lección
|
|
Systems designed to do a specific task on hardware optimized for only that purpose
|
|
|
Linux originally only ran on: empezar lección
|
|
|
|
|
Bundling utilities, management tools, and application software with a Linux kernel is called a: empezar lección
|
|
|
|
|
A software release cycle describes: empezar lección
|
|
How often upgrades come out for software
|
|
|
|
empezar lección
|
|
A fully certified UNIX distribution, Tightly integrated with Apple hardware, Partially based on code from the FreeBSD project
|
|
|
|
empezar lección
|
|
Is generally backwards compatible with previous versions, Offers both desktop and server products, Has a scripting environment called PowerShell
|
|
|
An interpreted programming language: empezar lección
|
|
Is converted into machine specific instructions as the program runs, Tends to offer more features than compiled languages
|
|
|
The two main families of Linux shells are: empezar lección
|
|
|
|
|
In virtualization, what are the host and guest? empezar lección
|
|
The host is the machine that runs the virtual machines, A guest is a virtual machine
|
|
|
|
empezar lección
|
|
|
|
|
Which of the following are properties of a strong password? empezar lección
|
|
Includes symbols, At least 10 characters long, A mix of upper and lower case
|
|
|
A license where you don’t have access to the source code is called: empezar lección
|
|
|
|
|
A copyleft provision in a software license means: empezar lección
|
|
If you redistribute the software, you must distribute the source to any changes you make
|
|
|
The Free Software Foundation believes that: empezar lección
|
|
Software should be free to modify, Software should be free to share
|
|
|
What does it mean when a work is placed in the public domain? empezar lección
|
|
The author has relinquished the copyright on the work
|
|
|
The semicolon (;) can be used to separate multiple commands to be empezar lección
|
|
|
|
|
To be able to output messages to the screen, use the _______ command: empezar lección
|
|
|
|
|
The _______ command will print a list of the commands that you’ve previously executed. empezar lección
|
|
|
|
|
HOME is an example of _________. empezar lección
|
|
|
|
|
The directory where additional documentation for software packages most likely can be found is: empezar lección
|
|
|
|
|
To start searching a man page, the first key you press is: empezar lección
|
|
|
|
|
To get help on using the info command, execute: empezar lección
|
|
|
|
|
The _____ command can be used to find any file, not just commands or man pages. empezar lección
|
|
|
|
|
Hidden files are files that begin with what character? empezar lección
|
|
|
|
|
The top-level directory on a Linux system is represented as: empezar lección
|
|
|
|
|
The ls command without options or arguments... empezar lección
|
|
... lists the contents of the current directory.
|
|
|
The command ls -S will sort files: empezar lección
|
|
By size, largest to smallest
|
|
|
When using the cp command, you must provide both a source and a destination.? empezar lección
|
|
|
|
|
Which option can be used with the rm command to prompt before deleting? empezar lección
|
|
|
|
|
Which command would list files that do not begin with a “T” or a “W”? empezar lección
|
|
|
|
|
In general, for which of the following would you want to use lossless compression? empezar lección
|
|
|
|
|
You type gzip myfile. tar. What happens? empezar lección
|
|
myfile. tar is removed, myfile. tar. gz holds a compressed version of myfile. tar
|
|
|
Which command will show what is inside the compressed tarball with a name of foo. tar. gz? empezar lección
|
|
|
|
|
By default, the zip command replaces uncompressed files with compressed files. empezar lección
|
|
|
|
|
Error messages generated by commands are sent where by default? empezar lección
|
|
|
|
|
Which of the following commands will display only lines that begin with test? empezar lección
|
|
|
|
|
Which of the following commands will display lines that contain either start or end? empezar lección
|
|
|
|
|
A file begins with #!/bin/csh. This means: empezar lección
|
|
Running the script will invoke /bin/csh to interpret the rest of the file
|
|
|
Most of nano’s commands take the form of empezar lección
|
|
Control and another character
|
|
|
The if command looks for what exit code to consider a condition to be true? empezar lección
|
|
0
|
|
|
The number of users logged in is in a variable called USERS. How would you test to see if 5 users are logged in? empezar lección
|
|
|
|
|
Which of the following are valid partitioning types? empezar lección
|
|
|
|
|
Software that allows hardware devices to communicate with the installed operating system is called? empezar lección
|
|
|
|
|
Which of the following commands will check hard disk GPT partitions? empezar lección
|
|
|
|
|
The process (ps) command shows only processes running in the current shell by default. empezar lección
|
|
|
|
|
The free command outputs statistics about: empezar lección
|
|
|
|
|
Which file contains the information passed to the kernel at boot time? empezar lección
|
|
|
|
|
To make changes permanent for kernel parameter files found under /proc/sys, the following file can have entries added to it: empezar lección
|
|
|
|
|
Which of the following commands will display the IP address on a Linux system? empezar lección
|
|
|
|
|
The RSA key fingerprint allows the dig command to connect to remote systems.? empezar lección
|
|
|
|
|
When issuing the service network restart command, which of the following occurs? empezar lección
|
|
... takes down all network interfaces, re-reads all related configuration files and then the networking for the system is restarted.
|
|
|
Which of the following commands can be used to display socket statistics, and supports all major packet and socket types? empezar lección
|
|
|
|
|
Which of the following commands will display the groups that the user bob belongs to? empezar lección
|
|
|
|
|
Traditional UNIX systems allowed users to belong to how many groups? empezar lección
|
|
|
|
|
A value of 0 in the “minimum” password aging field means the user cannot change their password. empezar lección
|
|
|
|
|
Sudo privileges allow users to execute commands as another user? empezar lección
|
|
|
|
|
The first line of this command displays how long the system has been running since being rebooted. empezar lección
|
|
|
|
|
Which option for the usermod command can be used to specify a user’s group ID (either primary or secondary)? empezar lección
|
|
|
|
|
The groupmod command can be used to add users to a group. empezar lección
|
|
|
|
|
Which of the following files contains user IDs? empezar lección
|
|
|
|
|
Which of the following commands, run as root, will prevent the user bob from logging in? empezar lección
|
|
|
|
|
What directory contains a user’s home directory? empezar lección
|
|
|
|
|
GIDs under 500 (or 1000) are usually reserved for what kind of groups? empezar lección
|
|
|
|
|
A user cannot delete a file if they do not own it. empezar lección
|
|
|
|
|
The chown command permits changing group ownership done by root only. empezar lección
|
|
|
|
|
Which of the following commands will list hidden files as well as their ownership? empezar lección
|
|
|
|
|
Which of the following commands will set setuid for /usr/bin/program? empezar lección
|
|
chmod 4755 /usr/bin/program
|
|
|
Setting setgid on a directory... empezar lección
|
|
... will set the group owner of all files created in the directory to the group owner of the directory.
|
|
|
Which of the following commands would create a hard link, link to file? empezar lección
|
|
|
|
|
