LENTH=`for i in {1..255};do for x in a;do echo -n $x;done;done`
touch $LENTH
当增加到256时,touch报错,File name too long
linux系统下ext3文件系统内给文件/目录命名,最长127个中文字符,英文支持255个字符
测试ext3文件系统下一级子目录的个数限制
RHEL5U3_x64
# for i in {1..32000}; do mkdir $i; done
mkdir: cannot create directory `31999′: Too many links
mkdir: cannot create directory `32000′: Too many links
ext3文件系统一级子目录的个数为31998 (个)。
Linux为了cpu的搜索效率规定的,要改变数目要重新编译内核.