LABEL= data set option 31 
     LABEL statement 1277 
  compared to statement labels 1279 
      labels 
  associating with variables 1109 
  for data sets 31 
  statement labels 1279 
      labels, with variables in SAS procedures 1542 
      landscape orientation 1577 
     Laplace distributions 425 
  cumulative distribution functions 425 
  probability density functions 702 
       _LAST_= system option 1542 
      LEAVE statement 1123, 1280 
  compared to CONTINUE statement 1123 
      LEFTMARGIN= system option 1543 
     length 
  associating with variables 1109 
     LENGTH function 627 
  compared to VLENGTH function 905 
     LENGTH= option 
  INFILE statement 1225, 1236 
           LIBNAME statement 1284 
  arguments 1284 
  assigning librefs 1290 
  associating librefs with data libraries 1288 
  comparisons 1289 
  concatenating catalogs, implicitly 1289, 1290 
  concatenating data libraries 1288 
  concatenating data libraries, logically 1290 
  data library attributes, writing to log 1288 
  details 1288 
  disassociating librefs from data libraries 1288 
  engine-host-options 1288 
  examples 1290 
  FILENAME statement and 1173 
  library concatenation rules 1289 
  options 1285 
  permanently storing data sets, one-level names 1291 
     library concatenation rules 1289 
      librefs 634 
  assigning 1290 
  assigning/deassigning 633 
  associating with data libraries 1288 
  disassociating from data libraries 1288 
  keeping previous libref in current SAS session 1605 
  SAS data libraries 634 
  verifying 634 
     license information 
  altering 1598 
      line-hold specifiers 
  INPUT statement 1253 
  PUT statement 1350 
     LINE= option 
  FILE statement 1159 
  INFILE statement 1225 
     line pointer controls 
  INPUT statement 1249 
  PUT statement 1346 
     LINESIZE= option 
  FILE statement 1159 
  INFILE statement 1226 
     LINESIZE= system option 1544 
     LINESLEFT= option 
  FILE statement 1160, 1166 
     LINK statement 1294 
  compared to GO TO statement 1211 
     LIST argument 
  FILENAME statement 1171, 1172 
  LIBNAME statement 1285 
     LIST command 
  DATA step debugger 1685 
     list input 1251, 1267 
  character data with embedded blanks 1271 
  comma-delimited data 1271 
  data with quotation marks 1270 
  missing values in 1235 
  modified 1269, 1270, 1272 
  reading delimited data 1272 
  reading unaligned data 1270 
  reading unaligned data with informats 1271 
  simple 1269, 1270 
  when to use 1268 
     LIST option 
  CATNAME statement 1119 
  FILENAME statement, FTP access method 1192 
     list output 1347, 1365 
   See also  modified list output 
  PUT statement, list 1364 
  spacing 1366 
  writing values with 1367 
       little endian platforms 
  byte ordering 75 
     little endian platforms, byte ordering on 933 
      log 
  writing data library attributes to 1288 
  writing external file attributes to 1171, 1172 
  writing messages to 1371 
     LOG argument 
  FILE statement 1156 
       Log window 
  invoking 1511 
  maximum number of rows 1512 
  suppressing 1539 
     LOG window 
  DATA step debugger 1688 
       logarithms 632 
  base 10 635 
  base 2 636 
  natural logarithms 635 
  of gamma function 632 
  of probability functions 639 
  of survival functions 640 
      login to FTP, anonymous 1197 
     logistic distributions 425 
  cumulative distribution functions 425 
  probability density functions 702 
      lognormal distributions 426 
  cumulative distribution functions 426 
  probability density functions 702 
     LOGPARM= system option 1545 
         lowercase, converting arguments to 641 
     lowercase letters 
  compressing 460 
     LRECL= argument 
  FILENAME statement, CATALOG access 1176 
     LRECL= option 
  FILE statement 1160 
  FILENAME statement, FTP access method 1193 
  FILENAME statement, SOCKET access 1200 
  INFILE statement 1226 
     LS option 
  FILENAME statement, FTP access method 1193 
     LSFILE= option 
  FILENAME statement, FTP access method 1193