Simple is efficient
| pwd |
cd -/~/.. |
tree–a/d/f/i/L |
mkdir–p/v/m |
touch |
| ls –l/a//i/h/F |
cp -r / p / d / a |
mv |
rm -f / r / in |
rmdir -pv only empty |
| ln –s |
readlink -f |
find path –type/name/size File Type bcdplfs |
xargs –dn |
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| chgrp |
umask |
ch/lsattr-r+ai |
file |
md5sum |
| chown |
chmod |
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