Basic Linux commands and Linux commands

Basic Linux commands and Linux commands

Cd-> transform path // file usually exists under/var/path, var can be modified storage disk

Ls-> list all properties of hidden and Related Files # ls-al

# Ls-al

-Rwxrwxrwx 1 root 293 2016-02-23 test

File property connection count file owner file user group size time file name

-Rwxrwxrwx 1 root 293 2016-02-23 test

 

Date-> current time cal-> calendar

Bc-> Calculator

Man-x-> menu (-x indicates the command)

Key: Tab-> command, file completion, or list commands and files with the same prefix in the same path

/Etc/passward-> SYSTEM account

/Shadow-> Password

/Group-> User group Name

 

• -A:-pdr
• -D: copy the file attributes instead of the file itself.
• -F: mandatory operations such as forced replication and forced Deletion
• -I: whether to perform the operation
• -L:
• -P: Copy (delete) operations with file attributes

 

# Chmod	U user	+ Join	R: read	File or directory
	G User Group	-Remove	W: write
	O others	= Settings	X: exe
	A All

 

 

 

 

Directory:...-> directory on the previous Layer

--> Previous working directory

~ -> Home Directory of the current identity

 

Pwd-> display path

Mkdir-> create a directory

Cp-> copy rm-> Delete mv-> move

Compress-> compression and decompression (the compressed file is *. Z)

• Which: Find the execution File
• Whereis: Find a specific file
• Find: # find/-name passwd