1-for dir in "a_sub b_sub"do
cd $dir
ls -1 *.c
ls -1 *.o
cd ..done2-str=`df/home |grep home|cut -c 51-`for used in $strdo
per_use=$used
breakdonenum=`echo $per_use|cut -d'%' -f1`if [ $num -lt 50 ]then
echo "用户文件系统磁盘使用负荷量小"else
if [ $num -lt 90 ]
the...
