Refresh a command every second

watch n1 "command"

Current directory:

pwd

cat File

ls -lah

tail error_log -n 50

find . -maxdepth 1 -type d | xargs du -m -s

find . -name '*{part_of_word}*' -print

cd /
du -ch -d 1 | sort -hr

...or

ncdu

df -h

du -sh /var

zip -r foo.zip dir_path

unzip .zip-file-name -d /path/to/extract