Chapter 6 Exam Flashcards
Hidden files are files that begin with what character?
A dash (-) A plus (+) A period (.) An asterisk (*)
A period (.)
What option for the ls command will display all files, including hidden files?
- L
- H
- w
- a
-a
The top-level directory on a Linux system is represented as:
/
C:
/home
/root
/
Is the following path absolute or relative?
/etc/ppp
Absolute
Relative
Absolute
Is the following path absolute or relative?
../../home/sysadmin
Relative
Absolute
Relative
The tilde (~) is used to represent:
A user’s home directory
Any two single characters
The directory above the current working directory
Nothing; it has no special meaning
A user’s home directory
Which of the following commands can be used to access the home directory of the user “bob” while logged in as root? (choose two)
cd /home/bob
cd ~bob
cd &&
~bob
cd /home/bob
cd ~bob
The double dot (..) can be used with the cd command to represent:
The directory above the current working directory
Nothing; it has no special meaning.
Any two single characters
A user’s home directory.
The directory above the current working directory
Is the following path absolute or relative?
sysadmin/Documents
Relative
Absolute
Relative
The cd command by itself will take you to what directory?
The system root directory
None; it is not a valid command
The directory above the current working directory
Your home directory
Your home directory
What command will allow you to change your current working directory?
chdir
list
cd
ls
cd
The double dot (..) can be used to represent the directory…
…above the current directory.
…below the current directory.
…with any two single numbers.
…above the current directory only when using the cd command.
…above the current directory.
The ls command without options or arguments…
…generates an error as this command requires arguments.
…lists the contents of the current directory.
…prompts for a directory to list.
…lists the contents of a user’s home directory.
…lists the contents of the current directory.
The first character in a long listing (ls -l) indicates:
The permissions
If something is a file, directory, or symbolic link
The owner
The size
If something is a file, directory, or symbolic link
Which option for the ls command, when used in conjunction with the -l option, will display human-readable sizes?
- M
- S
- H
- h
-h
Which of the following commands will prevent any aliased options to the ls command?
/ls
\ls
%ls
ls
\ls
The ls command color codes results by default.
True or False?
True
False
False
The command ls -S will sort files:
By size, smallest to largest
By number of symlinks, largest to smallest
By modification date, newest to oldest
By size, largest to smallest
By size, largest to smallest
When using the cp command, you must provide both a source and a destination.
True or False?
True
False
True
Which option(s) can be used to prevent cp from overwriting an existing file? (choose two)
- n
- N
- z
- i
- n
- i
The command rm -r will…
remove a directory along with any files or subdirectories.
prompt for each confirmation before deleting each file in a directory.
remove only empty directories.
generate an error; -r isn’t a valid option.
remove a directory along with any files or subdirectories.
Which option can be used with the rm command to prompt before deleting?
-i
I
-P
A
-i
The rm command can delete multiple files at once.
True or False?
True
False
True
Which of the following commands can be used to rename a file?
name
mv
rn
cp
mv
The touch command can be used to: (choose two)
Create new files
Change a file’s name
Update the time stamp of existing files
Change ownership of a file
Create new files
Update the time stamp of existing files
The whatis command is the same as man -w.
True
False
False
Which two pager commands are used by the man command to control movement within the document?
(choose two)
grep
less
page
more
less
more
Commands typically executed by a user are covered in what section of the manual?
5
3
2
1
1
The statement that describes the difference between a man page and an info page is:
The man page is like a guide; the info page is a more concise reference.
The info page is like a guide; a man page is a more concise reference.
The man page is a long detailed reference; the info page is very terse.
There is very little difference between them.
The info page is like a guide; a man page is a more concise reference.
Section 5 of the manual pages covers:
System administration commands
Games
User commands
File Formats
File Formats
To search the man page sections for the keyword example, which of the following command lines could you execute?
(choose two)
man -k example
apropos example
man -f example
whatis example
man -k example
apropos example
To start searching a man page, the first key you press is:
f
/
s
!
/
To get help on using the info command, execute:
(choose two)
man info
info -q
info info
help info
man info
info info
To get help while using the info command, press:
g
A
Shift+H
Shift+z
Shift+H
When interpreting the SYNOPSIS of a command found on a man page, the “|” means:
The items it separates can be used together
The items it separates cannot be used together
The items it separates cannot be used together
The _____ command is normally executed daily to update the database of all files that are on the system.
find
locate
search
updatedb
updatedb
The _____ command is normally executed to search for a command or man page.
updatedb
whereis
find
man -k
whereis
The _____ command can be used to find any file, not just commands or man pages.
apropos
whereis
whatis
locate
locate
The info command merges all available documentation into a single “book”.
True or False?
True
False
True
Section 9 of man pages relates to what?
Library Calls Games Kernel Routines System Calls Miscellaneous
Kernel Routines
The man command searches each of the sections in order until it finds a match.
True or False?
True
False
True
The whatis command will only return the first result for which section a man page is stored in.
True or False?
True
False
False
What is the standard option to provide a command line program to view its documentation?
-h
–info
–help
–doc
–help
The command man -k is the same as the command apropos.
True or False?
True
False
True
The whatis command is the same as man -w.
False
True
False
The directory where additional documentation for software packages most likely can be found is:
/usr/software/doc
/var/lib/doc
/usr/share/doc
/var/share/doc
/usr/share/doc
If you are reading the synopsis of a command from a man page, then items in square brackets are:
Required arguments
Comments
Optional
Required options
Optional
The following sections commonly appear on a man page:
(choose three)
NAME
LICENSE
DESCRIPTION
SYNOPSIS
NAME
DESCRIPTION
SYNOPSIS
