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67 Cards in this Set
- Front
- Back
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exit |
Terminates the current shell |
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logout |
Informs the shell you want to end the login session |
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cd Dir |
Changes the working directory to Dir |
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cd |
Changes the current directory to the user's home directory |
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ls |
Lists the contents of the current directory |
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mkdir Dir |
Creates a directory named Dir |
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pwd |
Displays the full pathname of the current directory |
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history |
Outputs a list of previously entered command lines |
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!! |
Reexecutes the most recent command line (csh, tcsh, and bash) |
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!## |
Reexecutes the command number ## |
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!xxx |
Reexecutes the last command that begins with xxx |
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alias newname command |
Tells shells to interpret newname as command |
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SPACEBAR |
Advance one screen |
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ENTER |
Advance one line |
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b |
Go back toward the top of the file one screen |
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/xxx |
Go forward to the first target (xxx) and display the page |
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n |
Go to the next target (xxx) |
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q |
Quit more |
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cat file1 |
Outputs file1 from beginning to end. Useful for small files |
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head filename |
Displays the first 10 lines of filename |
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tail filename |
Displays the last 10 lines of filename |
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wc filename |
Counts the lines, words and characters in filename |
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cp file1 file2 |
Copies file1 to file2 |
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mv file1 file2 |
Renames file1 as file2 |
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rm filename |
Deletes filename |
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rm -i filename |
Deletes filename, but asks the user to confirm the deletion |
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spell filename |
Checks the spelling in filename |
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who |
displays a list of users currently logged on |
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lp filename |
Prints filename on the line printer |
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lpr filename |
Prints filename on the line printer |
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utility > filename |
Sends the output of the utility to the file filename |
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utility >> filename |
Appends the output of the utility to the file filename |
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utility1 | utility2 |
Makes the output of utility1 the input of utility 2 |
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man utility |
Displays manual entry for the utility listed as an argument |
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man -k word(s) |
Displays all lines in the table of contents contaning any word listed in word(s) |
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vi filename |
Instructs shell to start vi and pass one argument, filename, which vi interprets as a file to open if it exists in the current directory, or to create if it does not already exist. |
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hjkl |
Moves the cursor one space or line left, down, up, or right, respectively |
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0 (zero) |
Moves the cursor to the beginning of whatever line it is on. |
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^ (caret) |
Like zero, it moves the cursor to the beginning of the current line. |
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$ |
Moves the cursor to the end of the line. |
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##G |
Moves the cursor to the line specified by the number in front of the G, for example 42G move the cursor to line 42 in the file |
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G |
Moves the cursor to the last line of the file. |
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w |
Moves the cursor forward to the first letter of the next word. |
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e |
Moves the cursor forward to the next end of a word. (If the cursor is in a word, the next end is the end of the current word. If the cursor is at the end of a word, the next end is the end of the next word.) |
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b |
Moves the cursor backward to the previous beginning of a word. If the cursor is in a word, the previous beginning is the beginning of the current word. |
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12| |
Positions the cursor at column 12 of the current line. |
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L |
Positions the cursor at the lowest line displayed on the screen. |
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M |
Positions the cursor at the midpoint on the screen. |
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H |
Positions the cursor at the highest line on the screen. |
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'' |
Two single quotes. Moves the cursor to its previous location in the file. |
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fb |
Moves the cursor forward on the line to the next b (or to any other specified character) |
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/word |
Moves the cursor forward through the text to the next instance of word. |
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n |
Moves to the next instance of the pattern identified in a previously issued /word |
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CTRL-D |
Scrolls the cursor down a block of text in a file. |
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CTRL-U |
Scrolls the cursor up a block of text in a file. |
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CTRL-F |
Displays the next screenful of text in a file. |
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CTRL-B |
Displays the previous screenful of text in a file. |
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:set number |
Instructs the editor to include line numbers as part of the screen display, not as part of the file itself. The abbreviated form of :set nu also works. |
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:set nonumber |
Removes line numbers from your screen. You can also use :set nonu |
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:set ignorecase |
Instructs editor to search for targets, ignoring the case of the characters |
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:set |
Shows you all the options you have set. |
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:set all |
Shows you all the set options available |
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dd |
Deletes the line of text on which the cursor is positioned. |
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#dd |
Deletes # number of lines of text |
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dw |
Deletes one word from the text. |
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#dw |
Deletes # number of words from the text. |
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x |
Deletes the one character under the cursor |
