Unix
Which of the following command is used to count just the number of lines contained in a file?

wc -w
wc -c
wc -l
None of these
wc -r

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Unix
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 -mtime +365 | rm
None of these
grep (/usr/*) - mtime + 365 | -ok rm
find -name - mtime + 365 / - ok rm

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Unix
The % key allows you

to move the cursor to the upperleft corner of the screen
to move the cursor backward to the beginning of a word
to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
to move the cursor to the first column in the current line

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