Linux Common commands

1) LS (list, listing)

Function: Use the list to display all the files in the current folder

Ls-a Show all files, including hidden files

Ls-l Display in detail

Ls-a-L ls-l-a ls-la ls-al four different ways are possible

2) CD (change directory, changing directories)

Function: Used to switch directories

Cd..

Note: . Represents a previous level directory

. Represents the current directory

3) PWD (print work directory)

Function: Prints out the current absolute path

4) mkdir (make directory, create folder)

Role: Create an empty folder

Mkdir-p Creating a folder for cascading

5) MV (move, mobile)

Action: Move files between directories, rename files

MV Source files Pathname Destination Files pathname

6) Touch function: Create an empty file

Touch pathname

7) CP (copy, duplicate)

Role: Copying Files or folders

CP source File Pathname target file pathname

Cp-r used to copy folders

Cp-f when forcing a copy of the actual operation, it is generally cp-f to copy the file, Cp-rf copy the folder

8) RM (remove, remove, delete)

Role: Used to delete files, folders

RM File Pathname

Rm-r Folder Pathname

9) Cat function: Display the contents of the file directly under the command line can also be used to input the file

RmDir (remove directory, delete folder)

Role: Delete Empty folders

The difference between rmdir and rm-r: rmdir can only delete empty folders, and rm-r delete empty folders and non-empty folders

One) ln (link, connection file)

Create soft Connection file: Ln-s source file name symbol connection file name

Ln-s src.c,linker.c, LINKER.C is a symbolic connection file for SRC.C.

Hard Connect: ln source file name connection file name

) Man

Role: Consult the man Manual for Help information

Man 1 ls 1 means the query is a Linux command

Man 2 XXX 2 indicates the Linux API is queried

Man 3 XXX 3 means the query is a C library function Note: When querying in the Man Manual, Exit press Q (q is the abbreviation for quit)

Apt-get)

Role: A program used to install and uninstall software online in Ubuntu

Apt-get Install Vim

Apt-get Remove Vim

Linux Common commands