Unix
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?

chmod 761 note
chmod 671 note
chmod 167 note
chmod 4=rwx, g=rw note

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

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