Unix Model Test(2nd)

The command used to remove the directory is;

1 Mark(s)

rmdir
None of the above
rdir
remove
rd

The UNIX file system stores a date in physical blocks of

1 Mark(s)

512 bytes
2048 bytes
256 bytes
1024 bytes
None of the above

Which of the following special shell variables is used to process number of the current shell?

1 Mark(s)

$$
None of the above
$*
$!
$0

Which command will be used with vi editor to append text at end of line?

1 Mark(s)

i
None of the above
a
A
I

Which of the following signs is used to back up over typing errors in vi?

1 Mark(s)

!
#
None of the above
@
$

Which command is used with vi editor to save file and remain in the editing mode?

1 Mark(s)

None of the above
:x
q!
:q
:w

Which command is used to move all files to the bin sub-directory of the parent directory?

1 Mark(s)

mv * /bin/*
mv * ../bin *.*
mv *.* /bin/
None of the above
mv * ../bin

Which of the following commands is not the vi Input mode command?

1 Mark(s)

None of the above
S
rch
j
R

Which command is used to link the files?

1 Mark(s)

ln
None of the above
lk
cp
tar

Which of command is used to copy a file?

1 Mark(s)

tar
copy
None of the above
cp
cpio

Which of following commands is used for an automatic reminder service?

1 Mark(s)

calendar
None of the above
mesg
mail
write

Which command is used to display all the lines with the string 'sales' from the file empl.lst?

1 Mark(s)

/sales > empl.lst
grep sales empl.lst
cat | /sales > empl.lst
None of the above
cut sales empl.lst

Which of are following internal commands is used in mail to forward mail to user in user-list?

1 Mark(s)

None of the above
e user-list
d user-list
r user-list
m user-list

Which of the following commands is used to remove files?

1 Mark(s)

erase
delete
. None of the above
dm
rm

Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

1 Mark(s)

who < user.lste
None of the above
who > user.lst
who | tee user.lst
who >> user.lst

The [line number G] key allows you

1 Mark(s)

to move cursor down by one line
None of the above
to move cursor left by one position
to move cursor to the beginning of the line specified by the number
to move cursor right by one position

Which of the following commands is used to have a two-way communication with any person who is currently logged in?

1 Mark(s)

mail
mesg
grep
None of the above
write

Which of the following shell's wildcards are used to match any number of characters including none?

1 Mark(s)

?
[ijk]
*
[!ijk]
None of the above

Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?

1 Mark(s)

ech
rch
tch
fch
None of the above

Which operator will be used with chmod command to assign absolute permission?

1 Mark(s)

None of the above
-
%
+
=

Which of the following command is used to go to home directory?

1 Mark(s)

None of the above
cd/
cd..
cd
cd HOME.

The cat command is used to

1 Mark(s)

capture a file
copy a file
display a file
None of the above
print a file

The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

1 Mark(s)

executable permission only
both read and executable permissions.
write and executable permissions
None of the above
both read and write permissions

You can append to a file instead of overwriting by using the

1 Mark(s)

None of the above
<< symbols
< symbols
> symbols
>> symbols

Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?

1 Mark(s)

-r
#NAME?
None of the above
#NAME?
#NAME?

Which command allows you to view your file 24 lines at a time?

1 Mark(s)

pg
more
cat
None of the above
lp

Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

1 Mark(s)

chmod go+x, u-x note
chmod go+r, u+x note
None of the above
chmod g-x, uo+r note
chmod u-x, go+r note

Which command is used to save the standard output in a file, as well as display it on the terminal?

1 Mark(s)

more
tee
grep
None of the above
cat

Which command is used to assign only read permission to all three categories of the file 'note'?

1 Mark(s)

chmod go+r note
None of the above
chmod ugo=r note
chmod u+r,g+r,o-x note
chmod a-rw

Which of the following commands is used to copy directory structures in and out

1 Mark(s)

None of the above
cp
copy
cpio
cp - p

Which command is used to terminate all processes in your own system except the login shell?

1 Mark(s)

kill 0
None of the above
cancel 1
cancel all
kill 1

Major expressions used with find command to select file is it has been accessed in more than 375 days, is

1 Mark(s)

None of the above
#NAME?
#NAME?
#NAME?
#NAME?

The command that can be used to restrict incoming messages to a user is

1 Mark(s)

halt
mesg
grep
sleep
None of the above

Which of the following commands is used to display the filenames in multiple columns?

1 Mark(s)

ls -x
ls -1
None of the above
ls
lc

Which of the following keys is used to delete the character beneath the cursor?

1 Mark(s)

X
None of the above
D
dd
x

Which command is used with vi editor scroll half page backward?

1 Mark(s)

[Control-d]
[Control - u]
[Control -P]
[Control-c]
None of the above

The special shell variable $* is used

1 Mark(s)

to list the positional parameters
to exit status of ast command executed.
to name the command being executed
to process number of the current shell
None of the above

Which symbol will be used with grep command to match the pattern pat at the end of a line?

1 Mark(s)

None of the above
^pat
pat$
pat^
$pat

Which command is used with vi editor to move the cursor to the left?

1 Mark(s)

h
i
j
k
None of the above

Unix Model Test(2nd) : Question 1 of 39