Unit 2 - System Administration
To run a script, enter ______.
./
Shells typically end with a _____ file extension.
.sh
Your shell is in /usr/local. You type cd ../bin. Which directory is shown when you type pwd?
/usr/bin
Files that change often should go under:
/var
The directory that hold spool files is:
/var/spool
What do you use to forward errors to a file?
2>filename
To change the file ownership so a script file can be executed, use the chmod _____ command.
755, r+x
Which of the following command would set the default rwx permission to all users on every file which is created in the current shell?
777
In the example below, what time does the incremental backup occur? When? 00 08 10 06 * /home/user1/bin/incremental-backup
8 AM every day of the week
What does the command tar -tf archive.tar etc/pine.conf do?
Checks to see whether etc/pine.conf is inside the archive
How can you append the output of a command to a file?
Command >> file
CUPS is short hand for:
Common Unix Print System
A do while and while loop are the same.
False
Apt-get will download a 'setup.exe' file similar to windows, making it easy to install software applications.
False
Google Chrome is the default web browser for the Debian Linux.
False
The GUI package management application in debian linux will need to be installed, in order to use it.
False
The extension of a Linux printer definition file is:
PPD
The echo command is an example of ________.
STOUT
The Linux software tool that print queuing is:
Spooler
_______ is the graphical user interface for the Debian Linux,APT package manager.
Synaptic
Which type of error occurs when a programmer misspells a word or instruction?
Syntax
A loop is used for executing a block of statements repeatedly until a particular condition is satisfied.
True
Cron reads the crontab (cron tables) for predefined commands and scripts.
True
Most linux distributions have their own standard repositories for storing/retrieving software packages.
True
Open Virtual Machine Tools (open-vm-tools) is the open source implementation of VMware Tools.
True
Use the ____________ command to install a package.
apt-get install package_name.deb
Which of the following is a scheduling command?
at
Which compression utility offers the highest level of compression?
bzip2
To open a package in Debian Linux, use the ____ package manager.
dpkg
Install Open Vm Tools, when working with a Virtual machine, to _______.
enhance the performance/graphics of the host machine's, permit copying and pasting text, graphics, and sharing of files between the guest and host.
You happen across a file in a directory called foo. What is a good way to find out what the file is or does?
file foo
You know that you downloaded a file called backup.tar.gz this morning but can't remember where you put it. Which is the most appropriate command to find the file?
find / -name backup.tar.gz
To remove a print job one would use _________.
lprm
You are trying to create a new series of nested directories: /a/b/c/d/. What is the fastest way to create this nested directory set?
mkdir -p /a/b/c/d
The _____ command allows sending the output of two or more commands as input to a file or another command.
pipe
#!/bin/bash is ____?
placed at the top of a shell script, known as shebang
Use the _____ command to get input from the terminal for a shell script.
read
Which of the following is an example of a variable used to obtain user input (STDIN)?
read name
A scheduling command in Linux is used to ___________.
run tasks at specific times and dates
You want to package up Fred's home directory on a USB stick to send with him as he's leaving your company. Which command is the best? Hurry, because there's cake!
tar -czf /home/fred > /media/removable/fred.tar.gz
To write a bash script, a ________ should be used.
text editor
What command would be used to update the date on a file
touch
The apt-________ command should be used periodically to install the latest versions of the packages currently installed on a Debian Linux system.
upgrade
The cat command can be used to ______, which makes it quite useful in generating scripts.
view files in STDOUT, Send text to a file, create a file
You know that you have multiple copies of the doit command on your system. How do you find which one you will run if you type doit at the command line?
which doit
