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Unix

Unix
Which of the following is not a filter?

grep
None of these
wc
sort

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Unix
Which command is used to copy a file wb with the same name from the programs directory to the misc directory?

copy a:programs/wb b:misc/wb
cp programs/wb misc
None of these
tar programs/wb misc/wb
copy programs/wb misc/wb

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Unix
Which commands is used to assign executable permission to all of the files named "letter"?

chmod u+x letter
chmod ugo+x letter
chmod ugo+rw letter
chmod ugo+r letter

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Unix
Which of the following commands is used to identify the type of file by context?

cat
file
more
ls

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Unix
Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?

ls -l
ls -F -x
Ip
ls ~ x

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Unix
The command used to remove the directory is;

rd
remove
rmdir
rdir
None of these

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