用 ll -h 或ls -h命令
ubuntu@VM-0-8-ubuntu:~/chipseq/raw_data$ ll -h
total 43M
drwxrwxr-x 2 ubuntu ubuntu 4.0K Aug 11 17:29 ./
drwxrwxr-x 5 ubuntu ubuntu 4.0K Aug 11 16:50 ../
-rw------- 1 ubuntu ubuntu 67K Aug 11 17:32 nohup.out
-rw-rw-r-- 1 ubuntu ubuntu 43M Aug 11 17:32 SRR576933.fastq.gz