Some LINUX commands learned today

Some LINUX commands learned today-general Linux technology-Linux technology and application information. The following is a detailed description. LINUX Command:
1. Enter mount directly to query the partitions Currently mounted.
2. fdisk-l displays partition usage
3. space occupied by the du-sh directory
4. uname-a: query the LINUX Version Number
5. Create a directory using mkdir
6. rm-r-f recursively deletes the directory without prompting
7. rmdir delete an empty directory
8. pwd query the current directory
9. Switch the cd directory
Ls
-A: All files, including hidden files
-L detailed, long format.
-R recursively display all directories and files
-D Non-recursion
10. more/less or CAT
11. Move music videos
12. cp-f Direct Overwrite-I prompt-R Recursion

Linux file type: LS-L
First column
Common files (-): text files and binary files
Directory file (D): folder
Connection file (L): The File Created by LN
Special files: Device File (B, C) C character settings, B block settings. And file management (P)
File Type Color configuration file:/etc/DIR-COLORS

FSCK disk repair
-F fstype: Specify the file system type to be checked
-N simulated display, not really checked
-The user is required to confirm the r recovery.
-P automatically fixes issues that are safely corrected and do not cause data loss.
Fsck-p-t ext2/dev/hda2
Note: You should uninstall the file system before checking.