David Herd wrote:
Hi
I'm a computing student who is having troubles with part of my
assignment. Can I have any help out there in Linux land.
Show us what you have done and/or not done, and we will tell you
whether you are doing right, and we'll probably show you
other ways of doing them better.
Question 1. (16 marks)
Write UNIX commands to
a) show the lines of the online manual page for sort that contain the
word order.
b) show how many characters the date command outputs.
c) copy all C source files (the filenames end in .c) from the present
working
directory into a subdirectory called Cfiles.
d) list all files in the present working directory that have filenames
that match:
starts with either t or T
the extension is a single digit
e) compress all the files in the directory Docs/ and store them in an
archive called Docs.tar
f) sort the file /etc/passwd in reverse alphabetical order by username.
g) append all the lines of m1 that contain "name" to m2
h) Mail the present working directory contents to the current user
with subject Directory.
Question 2. (4 marks)
m1, m2 and m3 are text files.
What do the follow commands do under bash?
Answer in English.
a) cat 1> m1
b) cat 0< m1 | sort 1> m2 2> m3
Question 3. (4 marks)
m1, m2 and m3 are text files.
What do the following commands do under tcsh?
Answer in English.
a) ls -l | grep admin |tee m1 | lpr -Pp1
b) zcat m.z | head -20
thanks
David
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