Shulou(Shulou.com)06/02 Report--

I. Common orders

1. Common operations

Mkdir-p. / a/b/c / / Recursively create a multi-tier directory

Mkdir. / abc/ {, XJ YJ Z} dir / / create a xdir,ydir,cdir folder under abc

Cd ~ syraer / / enter the user directory under user name syraer

Cd-/ / returns the previous directory

Rm-f / / Force deletion

Rm-rf / / Recursive forced deletion

Hash-r / / clear command cache

Mv 1 2 / / move files-> directory

Cp-r / a / / copy file directory

Ln 1 2 / / hard link (point to the same address unit, count increase or decrease, delete files, count decrease)

Ln-s 1 2 / / soft connection (points to the same file, the count only increases, not decreases. Delete file, link error)

Stat. / etc / / metadata (modify permissions and other metadata information, change time will change. Modify file, metadata change, access time change, file change, all three times will change)

Touch / / is mainly used to modify metadata for three times or to create an empty file.

[root@node01 /] # stat / etc

File: `/ etc'

Size: 4096 Blocks: 8 IO Block: 4096 directory

Device: 803h/2051d Inode: 917505 Links: 61

Access: (0755/drwxr-xr-x) Uid: (0 / root) Gid: (0 / root)

Access: 2020-01-12 22 purl 18 purl 34.983663970 + 0800

Modify: 46.470668281 + 0800

Change: 46.470668281 + 0800

2. View the file

Cat / / View files

More// View Files

Less// view file, Q exit, j line, b fallback, space block by block

Head-4max / View the first four lines of the file

Tail-4 / / the last four lines of viewing the file

Grep PATTERN profile / / find PATTERN in profile

Grep-v PATTERN profile / / find objects that do not contain PATTERN in the profile

'|' pipeline format: command 1 | Command 2 (command 1 is output to pipeline, command 2 is followed by pipeline operation) learn carefully later

Echo "/" | xargs ls-l / / character'/'is ordered to be executed by xargs, taking the acquired character'/'as an argument to the ls command and executing ls

3. Vi / vim command (commonly used red, must be able to use it)

Open a file

Vim / path/to/somefile

Vim + #: open the file and navigate to line

Vim +: open the file and navigate to the last line

Vim + / PATTERN: open the file and navigate to the beginning of the line that was first matched by PATTERN

Full screen editor

Mode:

-Edit mode: the button has the function of editing text: open by default and enter edit mode

-input mode: the meaning of the button itself

-Last line mode: accept user command input

Edit mode

Edit-- > enter:

-I: switch to input mode before the character where the current cursor is located

-a: switch to input mode after the character in which the current cursor is located

-

-o: create a new line below the line of the current cursor and switch to input mode

-O: create a new line above the line of the current cursor and switch to input mode

-I: convert to input mode at the beginning of the line where the current cursor is located

-A: convert to input mode at the end of the line where the current cursor is located

-enter-- > Edit:

ESC

Edit-- > Last line:

-:

Last line-- > Edit:

-ESC, ESC

Move the cursor

-character

H: left; j: bottom; k: top; l: right

-words

W: move to the beginning of the next word

E: skip to the end of the current or next word

B: skip to the beginning of the current or previous word

-in-line

0: absolute beginning of line

^: the first non-white space character at the beginning of the line

$: absolute end of line

-between lines

G: at the end of the article

3G: line 3

Gg: the beginning of the article

-flip the screen

Ctrl:f,b

Delete & replace a single character

-x: delete cursor position characters

-3x: delete the first 3 characters of the cursor

-r: replace the cursor position character

Delete command: d

-dw,dd,3dw (three words)

Copy and paste & cut

-yw,yy

-p

-P

Undo & redo

-u undo

-ctrl+r redo undo operation

-. Repeat the previous step

Last row mode

Close the file

Last line mode: shift+:

Q quit without touching the file

: wq saved and exited and moved, no regrets

: q! I didn't save and quit. I moved it. I regretted it.

W save

: w! Forced preservation

: wq->: X

Shift+ZZ: save and exit without colons, edit mode

Set: settin

-set nu number

-set nonu nonumber

-set readonly

-

-

/: find

-/ after

-NBI N

-? Look up

-1. Delete one line to the last line and combine commands

! Execute the command

-:! ls-l /

S find and replace

-s/str1/str2/gi

/: the first character of the adjacent s command is the boundary character: /, @, #

G: replace all in one line

I: ignore case

-ran

N: line number

.: current cursor line

+ n: offset n Lin

$: last line, $- 3

%: full text

-

Copyright notice: this article is the original article of CSDN blogger "AYXYJ", in accordance with the CC 4.0BY-SA copyright Agreement. Please attach the original source link and this statement for reprint.

Original link: https://blog.csdn.net/weixin_39531549/article/details/103945941

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.