Terminal shortcuts

Cut | Copy | Paste

• To copy the text - CMD + C
• To cut the text - CMD + X
• To paste the text - CMD + V
• Print the file - cat filename
• Show real updates on log files - tail -f filename

Move the cursor

• Move cursor to first character - Ctrl + A
• Move cursor to last character - Ctrl + E
• Move cursor to left by one character - Ctrl + B
• Move cursor to right by one character - Ctrl + F
• Move cursor to left by one word - alt|option + (Left arrow)
• Move cursor to right by one word - alt|option + (Right arrow)

Delete character | word

• Delete one character to cursor left - Delete or Backspace
• Delete one character to cursor right - Ctrl + D or Fn + Delete
• Delete word to cursor left - Ctrl + W or alt|option + Delete
• Delete word to cursor right - Esc and D
• Delete all the words right to the cursor(to EOL) - Ctrl + K
• Delete full line - Ctrl + U

Clear Terminal

• Terminate or cancel the command - Ctrl + C
• Clear last ran command - CMD + L
• Clear screen - CMD + K
• Logout the terminal session - Ctrl + D

Vi shortcuts

• To open file for edit - vi file_name.txt

Cursor Commands

• Move left one character - h
• Move down one line - j
• Move up one line - k
• Move right one character - l
• Move right one word - w
• Move right one word (past punctuation) - W
• Move left one word - b
• Move left one word (past punctuation) - B
• Move to end of current word - e
• Move down one line - Return
• Move left one character - Backspace
• Move right one character - Spacebar
• Move to top of screen - H
• Move to middle of screen - M
• Move to bottom of screen - L
• Page forward one screen - Ctrl-F
• Scroll forward one-half screen - Ctrl-D
• Page backward one screen - Ctrl-B
• Scroll backward one-half screen - Ctrl-U
• Move cursor to last character of the line - Fn + (Left arrow)
• Move cursor to first character of the line - Fn + (Right arrow)

Inserting Characters and Lines

• Insert characters to right of cursor - a
• Insert characters at end of line - A
• Insert characters to left of cursor - i
• Insert characters at beginning of line - I
• Insert line below cursor - o
• Insert line above cursor - O

Changing Text

• Change word (or part of word) to right of cursor - cw
• Change line - cc
• Change from cursor to end of line - C
• Substitute string for character(s) from cursor forward - s
• Replace character at cursor with one other character - r
• Break line - r Return
• Join current line and line below - J
• Transpose character at cursor and character to right - xp
• Change case of letter (uppercase or lowercase) - ~
• Undo previous command - u
• Undo all changes to current line - U
• Undo previous last-line command - :u

Deleting Text

• Delete character at the cursor - x
• Delete character to the left of the cursor - X
• Delete word (or part of word to right of cursor) - dw
• Delete line containing the cursor - dd
• Delete part of line to right of cursor - D
• Delete to end of file - dG
• Delete from beginning of file to cursor - d1G
• Delete lines 5-10 - :5,10 d and Enter
• Delete all text - :1, $d and Enter

Copying and Moving Text

• Yank or copy line - yy
• Yank or copy line - Y
• Put yanked or deleted line below current line - p
• Put yanked or deleted line above current line - P
• Copy lines 1-2 and put after line 3 - :1,2 co 3
• Move lines 4-5 and put after line 6 - :4,5 m 6

Setting Line Numbers

• Show line numbers - :set nu
• Hide line numbers - :set nonu

Setting Case-sensitivity

• Searches should ignore case - :set ic
• Searches should be case sensitive - :set noic

Finding a Line

• Go to last line of file - G
• Go to first line of file - 1G
• Go to line 21 - 21G

Searching and Replacing

• Search for string - /string
• Search backward for string - ?string
• Find next occurrence of string in search direction - n
• Find previous occurrence of string in search direction - N
• Search and replace - :g/search/s//replace/g

Clearing the Screen

• Clear (refresh) scrambled screen - Ctrl-L

Inserting a File Into a File

• Insert (read) file after cursor - :r filename
• Insert file after line 34 - :34 r filename

Saving and Quitting

• Save changes (write buffer) - :w
• Write buffer to named file - :w filename
• Save changes and quit vi - :wq
• Save changes and quit vi - ZZ
• Quit without saving changes - :q
• Force quit vi without saving changes - :q!

Todo:

• VISUAL BLOCK
  • Comment multiple lines
• Screen
• Git
• Nano
• Network commands
• Search by process name
• Search by process port
• Stop process by process id
• Stop process by process name
• Curl
• telnet
• dig
• File permissions - chmod & chmown
• ssh
• scp
• Security groups
• Update to network UTC time
• NGINX
• SUPERVISOR
• MYSQL
• REDIS
• Memcache
• Celery Flower

Thanks

References:

• https://stackoverflow.com/questions/657130/fastest-ways-to-move-the-cursor-on-a-terminal-command-line
• https://superuser.com/questions/362113/how-to-delete-all-characters-after-cursor-in-shell
• https://docs.oracle.com/cd/E19253-01/806-7612/editorvi-tbl-83/index.html