Information Technology Reference
In-Depth Information
Question 5
Which of the following is the
mkdir
command-line argument that creates parent
directories as needed?
❍
A.
-P
❍
B.
-c
❍
C.
-p
❍
D.
-m
The correct answer is C. None of the other answers is a valid command-line
argument for the
mkdir
command.
Question 6
Given this list of files—
abc
,
abc123
, and
123abc
—which of the following
metacharacter expressions will select one or more of these files? [Select all that
apply.]
❑
A.
abc*
❑
B.
?*123
❑
C.
*2*
❑
D.
??2*
Answers A, B, and C are correct. Answer A,
abc*
, will select
abc
and
abc123
.
Answer B,
?*123
, will select
abc123
. Answer C,
*2*
, will select
abc123
and
123abc
. Answer D,
??2*
, won't select any of the specified files because
2
does
not occur as the third character.
Question 7
Match the pseudo-file system with its use.
A.
CACHEFS
1. Temporary files
B.
PROCFS
2. Alternative pathnames
C.
TMPFS
3. Process information
D.
LOFS
4. Local caching of data
A matches 4; B matches 3; C matches 1, and D matches 2.
CACHEFS
is used for
locally caching data from remote file systems.
PROCFS
provides status and other
information for active processes.
TMPFS
provides a storage area for fast access to
temporary files.
LOFS
provides access to existing data using alternative pathnames.
