Tips for using Linux under Commands

Entry indication
! Start a history substitution unless followed by a Space, tab line end, "=", or "("
!n Select command line n
!-n Select the backward n command (that is, the penultimate nth record n>0)
!! Previous command with!-1

!string Select the most recent command that starts with string
!? String? Select the command that recently contains the beginning of a string

^string1 ^string2 ^ after replacing string2 with Sting1, the previous command is executed repeatedly. With!!:s/string1/string2.

!# the entire command that is currently entered

!! Previous command
!!:^ gets the first parameter of the previous command the same! ^ and!! : 1
!!:$ gets the last parameter of the previous command with! $ and $_
!!:n gets the nth parameter of the previous command

!string:n gets the nth parameter of a command that has recently executed a string beginning with

History
CTRL + P previous command used (p=pervious)
CTRL + N next command to use (N=next)
CTRL + R Quick Search History

System-supplied historical command operations
Fc-s
History

Word Indication
0 is 0, the 0th Word. For most commands, it refers to the command name
n Nth Word
^ 1th parameter (Word)
$ last argument (word)
% recent%string% matching words
X-y Word range 0-y can write –y
* All the words except the 0th one 1-$
x* x-$ 's shorthand, with x*
If the entry indicator is not used with the word indicator, the previous item is used as an entry

Modifier
After the optional Word indicator, you can add one or more of the following modifier symbols, each with: start
H Remove the tail of the file name, leaving only the head
T remove the header of the file name, leaving only the tail
R Remove the end extension
E Remove all parts except the extension
P Print a new command without executing
Q references the replaced word for further substitution
X with Q, but also in spaces, tabs, line breaks where the words are separated
s/old/new/Replace the first old in the entry with the new one. /Can be any delimiter
& Repeat Last Replacement
g/a to make replacements execute throughout an item, with S
G One-time s-decoration for each word in the entry

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Tips for using Linux under Commands