Hej!
När jag använder följande "kommando rad" får dessa underliga tecken i bl.a gedit.
man cat >cat.txt
Dom linkar som små rutor.
CAT(1) User Commands CAT(1)
NNAAMMEE
cat − concatenate files and print on the standard output
SSYYNNOOPPSSIISS
ccaatt [_O_P_T_I_O_N] [_F_I_L_E]...
DDEESSCCRRIIPPTTIIOONN
Concatenate FILE(s), or standard input, to standard output.
−−AA, −−−−sshhooww−−aallll
equivalent to −−vvEETT
−−bb, −−−−nnuummbbeerr−−nnoonnbbllaannkk
number nonblank output lines
−−ee equivalent to −−vvEE
−−EE, −−−−sshhooww−−eennddss
display $ at end of each line
−−nn, −−−−nnuummbbeerr
number all output lines
−−ss, −−−−ssqquueeeezzee−−bbllaannkk
never more than one single blank line
−−tt equivalent to −−vvTT
−−TT, −−−−sshhooww−−ttaabbss
display TAB characters as ^I
−−uu (ignored)
−−vv, −−−−sshhooww−−nnoonnpprriinnttiinngg
use ^ and M‐ notation, except for LFD and TAB
−−−−hheellpp display this help and exit
−−−−vveerrssiioonn
output version information and exit
With no FILE, or when FILE is ‐, read standard input.