Unix
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?

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

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Unix
The % key allows you

to move the cursor to the upperleft corner of the screen
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
to move the cursor backward to the beginning of a word

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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 -name - mtime + 365 / - ok rm
None of these
find -mtime +365 | rm
find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ;
grep (/usr/*) - mtime + 365 | -ok rm

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