expand − expand
expand [OPTION]... [FILE]...
Convert tabs in each FILE to spaces, writing to standard output. With no FILE, or when FILE is −, read standard input.
−i, −−initial
do not convert tabs after non blanks
−t, −−tabs <N, LIST>
have tabs N characters apart, not 8 or use comma separated list of explicit tab positions
−U, −−no−utf8
interpret input file as 8−bit ASCII rather than UTF−8
−h, −−help
Print help
−V, −−version
Print version