[Job Requirements]linux common commands and vim common commands

A. Linux common Commands

mkdir dirname New Folder

CD ~ Go to your home directory

CD dirname into the directory named dirname;

• Displays the file and folder names under the current folder;

Myrm filename to delete the file named filename;

Myrm–r dirname Delete name dirname directory; (related to folder with parameter-R)

MV filename1 filename2 Renaming the file 1 to file 2;

MV Filename1 dirname to move the file 1 to dirname;

CP filename1 filename2 File 2 is a backup of file 1;

CP filename1 dirname Copy the file 1 to the specified directory;

wc–l filename View the number of rows in a file

PWD View the full path of the current directory;

head-100 filename to view the first 100 lines of the specified file;

tail-100 filename View the following 100 lines of the development file

grep word filename to view the word entry in the file;

Grep–n Word filename To view the word's entry in the file and display the line number;

grep "\<word\>" filename to view the entries in the file that are equal to Word;

grep Word FileName | head-100 See the word in the file, give the first 100 entries;

| called pipe command, note | The parameter condition of the command after

The contents of document 1, document 2 and document 3 are added to Filename4, and the original content in Filename4 is not retained;

Cat filename1 filename2 Filename3>filename4

Append the contents of file 1, file 2, file 3 file four to Filename4, and retain the original contents of Filename4;

Cat filename1 filename2 Filename3>>filename4

Vim A.txt Open a file that already exists;

: Set NU displays line number;

: Set Nonu cancel line number;

GG moves to the first line of the file;

G moves to the last line of the file;

: (58G) moves the cursor to line 58th;

10→ move 10 characters to the right;

The home key cursor moves to the beginning of the line;

The end key cursor moves to the end of the line;

/word down looking for a string called word;

？ Word looks up for a string called word;

N (Do not need to enter) to repeat the previous search;

DD deletes the entire line of the cursor;

NDD removes the downward n-line (with the line of the cursor) where the cursor is located;

YY Copy the cursor in a whole line;

Nyy the next n line where the cursor is copied (with the row of the cursor);

P Paste the copied data on the next line of the cursor;

U restore the previous operation;

Ctrl+r redo the previous operation;

Vim b.txt new file;

I enter the edit mode ("Insert" in the lower left corner);

ESC exits edit mode;

: w Save the edited data;

: Q Exits.

: Wq save exit.

: q! Modified files, do not want to store, forced to leave without saving the file.

A. Linux common Commands

mkdir dirname New Folder

CD ~ Go to your home directory

CD dirname into the directory named dirname;

• Displays the file and folder names under the current folder;

RM filename Deletes the file named filename;

Rm–r dirname Delete the name dirname directory;

MV filename1 filename2 Renaming the file 1 to file 2;

MV Filename1 dirname to move the file 1 to dirname;

CP filename1 filename2 File 2 is a backup of file 1;

CP filename1 dirname Copy the file 1 to the specified directory;

wc–l filename View the number of rows in a file

PWD View the full path of the current directory;

head-100 filename to view the first 100 lines of the specified file;

grep word filename to view the word entry in the file;

Grep–n Word filename To view the word's entry in the file and display the line number;

grep "\<word\>" filename to view the entries in the file that are equal to Word;

grep Word FileName | head-100 See the word in the file, give the first 100 entries;

CUT–F1 filename; Obtain the specified column of the file;

[Job Requirements]linux common commands and vim common commands