Related Questions

Which of the following commands is used to obtain a list of all files by modification time?
A ls -1
B ls -t
C ls -i
D ls -R
E None of the above
Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?
A copy programs/wb misc/wbx
B cp programs/wb misc/wbx
C tar programs/wb misc/wbx
D copy a:programs/wb b:misc/wbx
E None of the above
Which can be used for quick access to commonly used commands and tools ?
A Status bar
B Tool bar
C Menu bar
D Title bar
Which can be used for quick access to commonly used commands and tools?
A Status bar
B Menu bar
C Tool bar
D Title bar
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?
A chmod 761 note
B chmod 671 note
C chmod 167 note
D chmod 4=rwx, g=rw note
E None of the above
If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?
A Bashar, three times more
B Rahim , three times more
C They both go around 12 times
D Bashar, eight times more
Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
A ls -F -x
B ls -l
C ls ~ x
D Ip
E None of the above
Which of the following commands is used to count the total number of lines, words, and characters contained in a file.
A count p
B wc
C wcount
D countw
E None of the above
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?
A find -mtime +365 | rm
B grep (/usr/*) - mtime + 365 | -ok rm
C find -name - mtime + 365 / - ok rm
D find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ;
E None of the above

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