- Switch version in linux
sudo alternatives --config java
EX:
verison 17 => /usr/lib/jvm/java-17-amazon-corretto.aarch64/bin/java
verison 11 => /usr/lib/jvm/java-11-amazon-corretto.aarch64/bin/java
- Count file in folder and sub folder
find . -maxdepth 1 -type d | while read -r dir do printf "%s:\t" "$dir"; find "$dir" -type f | wc -l; done
- Find file with content
grep -rnw '/path/to/somewhere/' -e 'pattern'
- Find large file
find . -type f -size +100M