2016/8/18 Linux Common commands: directory, file processing commands

CRTL + L: Clear screen

CRTL +c: Terminating operation

1. Show directory commands

ls: Show directory file

Ls-a: Show all files, including hidden files

Ls-l: Detailed information display,

LS-LH: Show details, including file size

ls-d: Viewing directory properties

LS/ETC: Viewing files in the directory

-rw-r--r--: File Type U permissions-G permission-Other people permissions

　　R Read W write X Execute

File type:-binary file D directory l soft link file

U owner G-owned group O other person

2. Working with directory commands

mkdir: Create directory, make directories

Mkdir-p Recursive creation

Example: Mkdir-p/tmp/japan/boduo

Mkdir/tmp/japan/longze/tmp

3. Directory Switching commands

CD: Switch directories

Example: Cd/tmp/japan/boduo

Cd..

CD./japan

.. Represents the parent directory,. Represents the current directory

4. Show current directory: PWD

5. Deleting a directory

RmDir: Delete Empty directory

6. Copying Files or directories

CP-RP [Original file directory] [target directory]:-r copy Directory-p hold file properties

7. Cut file, rename: MV

MV [original file or directory] [target directory]

In the same directory, for renaming

8. Delete Files: RM

RM-RF [File or directory]:-R Remove Directory-F Enforcement

Delete the directory with-RF, or you will be constantly prompted to delete every file in the directory

9. Create an empty file: Touch

Touch japanlove.list

10. Display file contents: Cat [FileName]

-N: Show line numbers

11. Display file contents: TAC [FileName]

12. Paging Displays the contents of the file: more [filename]

(space) or F: Page turn

(Enter): line break

Q or Q: Exit

13. Paging Displays the contents of the file (page UP): less [filename]

PageUp: Page Up

↑: Go up one line

/Search Keywords: search, press N to find the next match location

14. Display the previous lines of the file: head-n number [filename]

15. Display the previous lines of the file: tail-n number [filename]

-F: Dynamic display of File end content

No-N: Default display of 10 rows,

16. Generate Link File: ln [original file] [target file]

-S: Generate soft Links

Soft Links: (similar to Windows shortcuts)

①. Permissions are rwxrwxrwx

②. File size-just symbolic link

③. Arrow pointing to source file

Hard-Link Features:

①. Copy cp-p + synchronous update

②. Can view I node recognition by-I

③. Cannot span partitions

④. Cannot be used for directories

2016/8/18 Linux Common commands: directory, file processing commands