/bin

/lib

/usr

/var

/etc

There is no correct answer

mkdir /data

mkdir data

mkdir ../data

mkdir ./data

There is no correct answer

ln -s text.lnk text.t

ln text.lnk text.t

ln -s text.t text.lnk

ln text.t text.lnk

cat text.t

more text.t

less text.t

echo text.t

man <command>

<command> /?

guide <command>

help <command>

<command> ?

rmdir -r ..

rm -r *

rmdir -f .

rm -f *

rm -i *

files must starting with _

files must starting with !

files must starting with $

files must starting with .

files must starting with ..

rm -i data/*

rm -f data/*

There is no correct answer

rm -rf data/*

rm -r data/*

copy text.t info.t

cp text.t info.t

cat text.t > info.t

mv text.t info.t

rm text.t info.t

chmod 144 script.sh

chmod 744 script.sh

chmod 155 script.sh

chmod 777 script.sh

chmod 755 script.sh