school

thing1's amazing school repo
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otherwise the limit would be quickly reached, it can't (15915B)


      1 
      2                    SSUUMMMMAARRYY OOFF LLEESSSS CCOOMMMMAANNDDSS
      3 
      4       Commands marked with * may be preceded by a number, _N.
      5       Notes in parentheses indicate the behavior if _N is given.
      6       A key preceded by a caret indicates the Ctrl key; thus ^K is ctrl-K.
      7 
      8   h  H                 Display this help.
      9   q  :q  Q  :Q  ZZ     Exit.
     10  ---------------------------------------------------------------------------
     11 
     12                            MMOOVVIINNGG
     13 
     14   e  ^E  j  ^N  CR  *  Forward  one line   (or _N lines).
     15   y  ^Y  k  ^K  ^P  *  Backward one line   (or _N lines).
     16   f  ^F  ^V  SPACE  *  Forward  one window (or _N lines).
     17   b  ^B  ESC-v      *  Backward one window (or _N lines).
     18   z                 *  Forward  one window (and set window to _N).
     19   w                 *  Backward one window (and set window to _N).
     20   ESC-SPACE         *  Forward  one window, but don't stop at end-of-file.
     21   d  ^D             *  Forward  one half-window (and set half-window to _N).
     22   u  ^U             *  Backward one half-window (and set half-window to _N).
     23   ESC-)  RightArrow *  Right one half screen width (or _N positions).
     24   ESC-(  LeftArrow  *  Left  one half screen width (or _N positions).
     25   ESC-}  ^RightArrow   Right to last column displayed.
     26   ESC-{  ^LeftArrow    Left  to first column.
     27   F                    Forward forever; like "tail -f".
     28   ESC-F                Like F but stop when search pattern is found.
     29   r  ^R  ^L            Repaint screen.
     30   R                    Repaint screen, discarding buffered input.
     31         ---------------------------------------------------
     32         Default "window" is the screen height.
     33         Default "half-window" is half of the screen height.
     34  ---------------------------------------------------------------------------
     35 
     36                           SSEEAARRCCHHIINNGG
     37 
     38   /_p_a_t_t_e_r_n          *  Search forward for (_N-th) matching line.
     39   ?_p_a_t_t_e_r_n          *  Search backward for (_N-th) matching line.
     40   n                 *  Repeat previous search (for _N-th occurrence).
     41   N                 *  Repeat previous search in reverse direction.
     42   ESC-n             *  Repeat previous search, spanning files.
     43   ESC-N             *  Repeat previous search, reverse dir. & spanning files.
     44   ^O^N  ^On         *  Search forward for (_N-th) OSC8 hyperlink.
     45   ^O^P  ^Op         *  Search backward for (_N-th) OSC8 hyperlink.
     46   ^O^L  ^Ol            Jump to the currently selected OSC8 hyperlink.
     47   ESC-u                Undo (toggle) search highlighting.
     48   ESC-U                Clear search highlighting.
     49   &_p_a_t_t_e_r_n          *  Display only matching lines.
     50         ---------------------------------------------------
     51         A search pattern may begin with one or more of:
     52         ^N or !  Search for NON-matching lines.
     53         ^E or *  Search multiple files (pass thru END OF FILE).
     54         ^F or @  Start search at FIRST file (for /) or last file (for ?).
     55         ^K       Highlight matches, but don't move (KEEP position).
     56         ^R       Don't use REGULAR EXPRESSIONS.
     57         ^S _n     Search for match in _n-th parenthesized subpattern.
     58         ^W       WRAP search if no match found.
     59         ^L       Enter next character literally into pattern.
     60  ---------------------------------------------------------------------------
     61 
     62                            JJUUMMPPIINNGG
     63 
     64   g  <  ESC-<       *  Go to first line in file (or line _N).
     65   G  >  ESC->       *  Go to last line in file (or line _N).
     66   p  %              *  Go to beginning of file (or _N percent into file).
     67   t                 *  Go to the (_N-th) next tag.
     68   T                 *  Go to the (_N-th) previous tag.
     69   {  (  [           *  Find close bracket } ) ].
     70   }  )  ]           *  Find open bracket { ( [.
     71   ESC-^F _<_c_1_> _<_c_2_>  *  Find close bracket _<_c_2_>.
     72   ESC-^B _<_c_1_> _<_c_2_>  *  Find open bracket _<_c_1_>.
     73         ---------------------------------------------------
     74         Each "find close bracket" command goes forward to the close bracket 
     75           matching the (_N-th) open bracket in the top line.
     76         Each "find open bracket" command goes backward to the open bracket 
     77           matching the (_N-th) close bracket in the bottom line.
     78 
     79   m_<_l_e_t_t_e_r_>            Mark the current top line with <letter>.
     80   M_<_l_e_t_t_e_r_>            Mark the current bottom line with <letter>.
     81   '_<_l_e_t_t_e_r_>            Go to a previously marked position.
     82   ''                   Go to the previous position.
     83   ^X^X                 Same as '.
     84   ESC-m_<_l_e_t_t_e_r_>        Clear a mark.
     85         ---------------------------------------------------
     86         A mark is any upper-case or lower-case letter.
     87         Certain marks are predefined:
     88              ^  means  beginning of the file
     89              $  means  end of the file
     90  ---------------------------------------------------------------------------
     91 
     92                         CCHHAANNGGIINNGG FFIILLEESS
     93 
     94   :e [_f_i_l_e]            Examine a new file.
     95   ^X^V                 Same as :e.
     96   :n                *  Examine the (_N-th) next file from the command line.
     97   :p                *  Examine the (_N-th) previous file from the command line.
     98   :x                *  Examine the first (or _N-th) file from the command line.
     99   ^O^O                 Open the currently selected OSC8 hyperlink.
    100   :d                   Delete the current file from the command line list.
    101   =  ^G  :f            Print current file name.
    102  ---------------------------------------------------------------------------
    103 
    104                     MMIISSCCEELLLLAANNEEOOUUSS CCOOMMMMAANNDDSS
    105 
    106   -_<_f_l_a_g_>              Toggle a command line option [see OPTIONS below].
    107   --_<_n_a_m_e_>             Toggle a command line option, by name.
    108   __<_f_l_a_g_>              Display the setting of a command line option.
    109   ___<_n_a_m_e_>             Display the setting of an option, by name.
    110   +_c_m_d                 Execute the less cmd each time a new file is examined.
    111 
    112   !_c_o_m_m_a_n_d             Execute the shell command with $SHELL.
    113   #_c_o_m_m_a_n_d             Execute the shell command, expanded like a prompt.
    114   |XX_c_o_m_m_a_n_d            Pipe file between current pos & mark XX to shell command.
    115   s _f_i_l_e               Save input to a file.
    116   v                    Edit the current file with $VISUAL or $EDITOR.
    117   V                    Print version number of "less".
    118  ---------------------------------------------------------------------------
    119 
    120                            OOPPTTIIOONNSS
    121 
    122         Most options may be changed either on the command line,
    123         or from within less by using the - or -- command.
    124         Options may be given in one of two forms: either a single
    125         character preceded by a -, or a name preceded by --.
    126 
    127   -?  ........  --help
    128                   Display help (from command line).
    129   -a  ........  --search-skip-screen
    130                   Search skips current screen.
    131   -A  ........  --SEARCH-SKIP-SCREEN
    132                   Search starts just after target line.
    133   -b [_N]  ....  --buffers=[_N]
    134                   Number of buffers.
    135   -B  ........  --auto-buffers
    136                   Don't automatically allocate buffers for pipes.
    137   -c  ........  --clear-screen
    138                   Repaint by clearing rather than scrolling.
    139   -d  ........  --dumb
    140                   Dumb terminal.
    141   -D xx_c_o_l_o_r  .  --color=xx_c_o_l_o_r
    142                   Set screen colors.
    143   -e  -E  ....  --quit-at-eof  --QUIT-AT-EOF
    144                   Quit at end of file.
    145   -f  ........  --force
    146                   Force open non-regular files.
    147   -F  ........  --quit-if-one-screen
    148                   Quit if entire file fits on first screen.
    149   -g  ........  --hilite-search
    150                   Highlight only last match for searches.
    151   -G  ........  --HILITE-SEARCH
    152                   Don't highlight any matches for searches.
    153   -h [_N]  ....  --max-back-scroll=[_N]
    154                   Backward scroll limit.
    155   -i  ........  --ignore-case
    156                   Ignore case in searches that do not contain uppercase.
    157   -I  ........  --IGNORE-CASE
    158                   Ignore case in all searches.
    159   -j [_N]  ....  --jump-target=[_N]
    160                   Screen position of target lines.
    161   -J  ........  --status-column
    162                   Display a status column at left edge of screen.
    163   -k _f_i_l_e  ...  --lesskey-file=_f_i_l_e
    164                   Use a compiled lesskey file.
    165   -K  ........  --quit-on-intr
    166                   Exit less in response to ctrl-C.
    167   -L  ........  --no-lessopen
    168                   Ignore the LESSOPEN environment variable.
    169   -m  -M  ....  --long-prompt  --LONG-PROMPT
    170                   Set prompt style.
    171   -n .........  --line-numbers
    172                   Suppress line numbers in prompts and messages.
    173   -N .........  --LINE-NUMBERS
    174                   Display line number at start of each line.
    175   -o [_f_i_l_e] ..  --log-file=[_f_i_l_e]
    176                   Copy to log file (standard input only).
    177   -O [_f_i_l_e] ..  --LOG-FILE=[_f_i_l_e]
    178                   Copy to log file (unconditionally overwrite).
    179   -p _p_a_t_t_e_r_n .  --pattern=[_p_a_t_t_e_r_n]
    180                   Start at pattern (from command line).
    181   -P [_p_r_o_m_p_t]   --prompt=[_p_r_o_m_p_t]
    182                   Define new prompt.
    183   -q  -Q  ....  --quiet  --QUIET  --silent --SILENT
    184                   Quiet the terminal bell.
    185   -r  -R  ....  --raw-control-chars  --RAW-CONTROL-CHARS
    186                   Output "raw" control characters.
    187   -s  ........  --squeeze-blank-lines
    188                   Squeeze multiple blank lines.
    189   -S  ........  --chop-long-lines
    190                   Chop (truncate) long lines rather than wrapping.
    191   -t _t_a_g  ....  --tag=[_t_a_g]
    192                   Find a tag.
    193   -T [_t_a_g_s_f_i_l_e] --tag-file=[_t_a_g_s_f_i_l_e]
    194                   Use an alternate tags file.
    195   -u  -U  ....  --underline-special  --UNDERLINE-SPECIAL
    196                   Change handling of backspaces, tabs and carriage returns.
    197   -V  ........  --version
    198                   Display the version number of "less".
    199   -w  ........  --hilite-unread
    200                   Highlight first new line after forward-screen.
    201   -W  ........  --HILITE-UNREAD
    202                   Highlight first new line after any forward movement.
    203   -x [_N[,...]]  --tabs=[_N[,...]]
    204                   Set tab stops.
    205   -X  ........  --no-init
    206                   Don't use termcap init/deinit strings.
    207   -y [_N]  ....  --max-forw-scroll=[_N]
    208                   Forward scroll limit.
    209   -z [_N]  ....  --window=[_N]
    210                   Set size of window.
    211   -" [_c[_c]]  .  --quotes=[_c[_c]]
    212                   Set shell quote characters.
    213   -~  ........  --tilde
    214                   Don't display tildes after end of file.
    215   -# [_N]  ....  --shift=[_N]
    216                   Set horizontal scroll amount (0 = one half screen width).
    217 
    218                 --exit-follow-on-close
    219                   Exit F command on a pipe when writer closes pipe.
    220                 --file-size
    221                   Automatically determine the size of the input file.
    222                 --follow-name
    223                   The F command changes files if the input file is renamed.
    224                 --header=[_L[,_C[,_N]]]
    225                   Use _L lines (starting at line _N) and _C columns as headers.
    226                 --incsearch
    227                   Search file as each pattern character is typed in.
    228                 --intr=[_C]
    229                   Use _C instead of ^X to interrupt a read.
    230                 --lesskey-context=_t_e_x_t
    231                   Use lesskey source file contents.
    232                 --lesskey-src=_f_i_l_e
    233                   Use a lesskey source file.
    234                 --line-num-width=[_N]
    235                   Set the width of the -N line number field to _N characters.
    236                 --match-shift=[_N]
    237                   Show at least _N characters to the left of a search match.
    238                 --modelines=[_N]
    239                   Read _N lines from the input file and look for vim modelines.
    240                 --mouse
    241                   Enable mouse input.
    242                 --no-keypad
    243                   Don't send termcap keypad init/deinit strings.
    244                 --no-histdups
    245                   Remove duplicates from command history.
    246                 --no-number-headers
    247                   Don't give line numbers to header lines.
    248                 --no-search-header-lines
    249                   Searches do not include header lines.
    250                 --no-search-header-columns
    251                   Searches do not include header columns.
    252                 --no-search-headers
    253                   Searches do not include header lines or columns.
    254                 --no-vbell
    255                   Disable the terminal's visual bell.
    256                 --redraw-on-quit
    257                   Redraw final screen when quitting.
    258                 --rscroll=[_C]
    259                   Set the character used to mark truncated lines.
    260                 --save-marks
    261                   Retain marks across invocations of less.
    262                 --search-options=[EFKNRW-]
    263                   Set default options for every search.
    264                 --show-preproc-errors
    265                   Display a message if preprocessor exits with an error status.
    266                 --proc-backspace
    267                   Process backspaces for bold/underline.
    268                 --PROC-BACKSPACE
    269                   Treat backspaces as control characters.
    270                 --proc-return
    271                   Delete carriage returns before newline.
    272                 --PROC-RETURN
    273                   Treat carriage returns as control characters.
    274                 --proc-tab
    275                   Expand tabs to spaces.
    276                 --PROC-TAB
    277                   Treat tabs as control characters.
    278                 --status-col-width=[_N]
    279                   Set the width of the -J status column to _N characters.
    280                 --status-line
    281                   Highlight or color the entire line containing a mark.
    282                 --use-backslash
    283                   Subsequent options use backslash as escape char.
    284                 --use-color
    285                   Enables colored text.
    286                 --wheel-lines=[_N]
    287                   Each click of the mouse wheel moves _N lines.
    288                 --wordwrap
    289                   Wrap lines at spaces.
    290 
    291 
    292  ---------------------------------------------------------------------------
    293 
    294                           LLIINNEE EEDDIITTIINNGG
    295 
    296         These keys can be used to edit text being entered 
    297         on the "command line" at the bottom of the screen.
    298 
    299  RightArrow ..................... ESC-l ... Move cursor right one character.
    300  LeftArrow ...................... ESC-h ... Move cursor left one character.
    301  ctrl-RightArrow  ESC-RightArrow  ESC-w ... Move cursor right one word.
    302  ctrl-LeftArrow   ESC-LeftArrow   ESC-b ... Move cursor left one word.
    303  HOME ........................... ESC-0 ... Move cursor to start of line.
    304  END ............................ ESC-$ ... Move cursor to end of line.
    305  BACKSPACE ................................ Delete char to left of cursor.
    306  DELETE ......................... ESC-x ... Delete char under cursor.
    307  ctrl-BACKSPACE   ESC-BACKSPACE ........... Delete word to left of cursor.
    308  ctrl-DELETE .... ESC-DELETE .... ESC-X ... Delete word under cursor.
    309  ctrl-U ......... ESC (MS-DOS only) ....... Delete entire line.
    310  UpArrow ........................ ESC-k ... Retrieve previous command line.
    311  DownArrow ...................... ESC-j ... Retrieve next command line.
    312  TAB ...................................... Complete filename & cycle.
    313  SHIFT-TAB ...................... ESC-TAB   Complete filename & reverse cycle.
    314  ctrl-L ................................... Complete filename, list all.