CST334
TEST 2
(100 points)
NAME:
READINGS
vi Editor: Chapter 2,8
emacs Editor: Appendix C
Streams & Redirection: Sections 5.2, 5.3
Pipes and Tees: Sections 5.4, 5.5
Filenames & Wildcards: Section 3.1
Job Control: Section 5.10
Filter Commands: details in Chapter 6
SKILLS
use vi to edit/add to a file
use emacs to edit/add to a file
navigate around and examine directories and use detailed listings
copy/move files and directories using relative and/or absolute pathnames as needed
remove files and directories
deal with problems of access permission that may arise while working in unix
Search a file or a collection of files using grep and wildcards
use input and output redirection to/from unix commands
Form compound commands using pipes
develop complex filter commands to accomplish special tasks
run and manage jobs in the background
PRACTICE ACTIVITIES FOR TEST 2
Do all of the following on mlc104 (your grade will partially depend on having the correct files in the
right location) and fill in the blanks with the correct answer or command. Make sure your home
directory has permission 705 so I can examine it.
Each question is worth 5points. Questions with (*) should be performed on mlc104. If you can't
accomplish a critical task, write down a partial answer, call me over and I will complete it for you,
marking your paper accordingly.
1*
Make a directory called quiz2 in your home directory
________________
2*
There is also a quiz2 directory in the shared cst334 directory. With one command Copy all the
files in it into your own quiz2 directory
____________________________
3*
In the group of files you copied over, there are a number of files that begin with the word
file… Of these, three are much smaller in size than the others. What are the names of these
three files: ___________________________
4*
Find the three and combine (cat) them into one file named short.txt_______________________
5*.
Use a wildcard with ls to list only file22.txt file23.txt file2.txt and file2x.txt AND NOTHING
ELSE: ____________________________________
6*.
Use a wildcard with ls to list only file2x.txt file5x.txt and filex.txt AND NOTHING ELSE:
____________________________________
7*
The file cipher.txt contains a secret message consisting of five words. Each word in the
message follows the pattern of letters unix . Write a single command that uses grep to find
all occurrences of this pattern in the file and redirect the output into the file message in your
quiz2 directory.
___________________________________
8*
What is the message? _________________________________________
9*
Use emacs to edit file mars.txt and replace all occurrences of mars with jupiter. Move the first
paragraph to the bottom. Save it to a new filename jupiter.txt. Do the same thing in vi—replace
mars with venus, etc.
10*
make an alphabetical list of all the users currently running vim on the system_____________
11.
Given the following output from ps au, what is the process ID of the ssh process for user trebold?
dynn1266
dynn1266
dynn1266
dynn1266
dynn1266
dynn1266
trebold
trebold
trebold
dynn1266
dynn1266
dynn1266
dynn1266
trebold
12.
a)
b)
c)
d)
e)
f)
g)
32003
32006
32007
32012
978
1404
1419
1833
1834
1867
1870
1871
1877
1894
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
4888
5404
5404
5104
10056
9940
5588
4144
5584
4892
5404
5404
5104
5588
820
960
416
736
2852
2776
1476
1840
1472
856
956
416
732
948
pts/7
pts/7
pts/7
pts/7
pts/7
pts/7
pts/1
pts/1
pts/2
pts/7
pts/7
pts/7
pts/7
pts/2
T
T
T
T
T
T
Ss
S+
Ss
S+
S+
S+
S+
R+
11:19
11:19
11:19
11:19
11:35
11:41
11:43
11:44
11:44
11:45
11:45
11:45
11:45
11:45
Run vi on file cipher.txt
then Suspend the job ___________
Run emacs on file3.txt
then Suspend the job ___________
Run vi on file5.txt
then Suspend the job ___________
look at all your jobs __________
bring the emacs job into the foreground ___________
exit emacs normally ____________
kill the other 2 suspended jobs (one at a time) _____________
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
0:00
man ps
sh -c (cd /usr/
sh -c (cd /usr/
/usr/bin/less vim cipher.txt
vim file5.txt
-bash
ssh tom@terra.m
-bash
man kill
sh -c (cd /usr/
sh -c (cd /usr/
/usr/bin/less ps –au