编写脚本disk.sh,显示当前硬盘分区中空间利用率最大的值 Linux0304
df | grep "^/dev/sd" | tr -s " " | cut -d " " -f 5 | sort -nr | head -1

df | grep '^/dev/sda' | grep -Eo '[0-9]+%' | sort -nr | head -n1

df | grep "^/dev/sd" | tr -s " " | cut -d " " -f 5 | sort -nr | head -1

df | grep '^/dev/sda' | grep -Eo '[0-9]+%' | sort -nr | head -n1
