Unix
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?

copy programs/wb misc/wbx
copy a:programs/wb b:misc/wbx
tar programs/wb misc/wbx
cp programs/wb misc/wbx

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Unix
The ls -l command tells

None of these
how large the file is and when the file was last modified.
who the owner of the file is
All of these
the name of the group owner of the file

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

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