A wave of Linux commonly used file-related command small collation

Displays the size of each file under the current directory

The code is as follows:
Ll-h
(relative to LS-LH)

Displays the total file size of each folder under the current directory

The code is as follows:
ls | Xargs Du-sh

Space usage of the current server

The code is as follows:
Df-h

Total size of all files under current folder

The code is as follows:
DU-SMH *

View Files

The code is as follows:
Cat 1.txt | More
Tail-n 1.txt | grep UUID
Head-n 1.txt

File transfer

The code is as follows:
CP a.txt/tmp/
CP A.txt/tmp/b.txt
MV a.txt/tmp/
SCP A.txt username@10.20.134.199:/home/username/

. tar.gz File Decompression

The code is as follows:
Tar zxvf test.tar.gz

. tar.bz2 File Decompression

The code is as follows:
BZIP2-CD test.tar.bz2 >/tmp/test.txt