前言Here, the tr command is used to replace ‘\n’ with the ‘+’ character, hence we form the string “1+2+3+…5+”, but at the end of the string we have an extra + operator. In order to...
1、split命令用于分离文件
创建测试文件：
[root@linuxprobe test]# dd if=/dev/zero bs=1024 count=1000000 of=test.txt
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 G...
