MICROBES IN AQUATIC ENVIRONMENT QUIZ

Which option will be used with ps command to slow the entire command line of the process being run?

-2

#NAME?

-4

-1

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to obtain a list of all files by modification time?

ls -t

ls -i

ls -1

ls -R

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year?

find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ;

find -name - mtime + 365 / - ok rm

find -mtime +365 | rm

grep (/usr/*) - mtime + 365 | -ok rm

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

chmod u+r,g+r,o-x note

chmod ugo=r note

chmod a-rw

chmod go+r note

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which command is used to print a file?

lp

pg

prn

print

TRUE ANSWER : ?
YOUR ANSWER : ?

The field separator in cut command is specified with

#NAME?

-r option

-c

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

cp

cpio

None of these

cp - p

copy

TRUE ANSWER : ?
YOUR ANSWER : ?

Which command is used to extract specific columns from the file?

cat

grep

paste

cut

TRUE ANSWER : ?
YOUR ANSWER : ?

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

$pat

pat^

None of these

pat$

^pat

TRUE ANSWER : ?
YOUR ANSWER : ?

Which symbol is used to separate more than one command in the same command line?

#

$

;

:

TRUE ANSWER : ?
YOUR ANSWER : ?

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