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ls -l example.txt
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touch example.txt
ls -l example.txt
# Êä³öʾÀý£º-rw-rw-r-- 1 user user 0 Dec 1 00:00 example.txt
echo "Hello World" > example.txt
ls -l example.txt
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touch example.txt
ls -l example.txt
# Êä³öʾÀý£º-rw-rw-r-- 1 user user 0 Dec 1 00:00 example.txt
chmod 777 example.txt
ls -l example.txt
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