-: **rw-** (//chmod 600//)
-Grants read and write permission of a file to the owner and nobody else.
-
-: **rwx** (//chmod 700//)
-Grants read, write and execute permission of a file to the owner and nobody
-else.
-
-: **r--** (//chmod 644//)
-Grants read and write permission of a file to the owner and read-only to
-anybody else.
-
-: **r-x** (//chmod 755//)
-Grants read, write and execute permission of a file to the owner and
-read-only plus execute permission to anybody else.
-
-: **S** (//screen//)
-Short for screen(1).
-
-: **s** (//ssh//)
-Short for ssh(1).
-
-: **semifont** (//echo -en [ escape sequence ]//)
-Sets font of xterm to
-"-misc-fixed-medium-r-semicondensed-*-*-120-*-*-*-*-iso8859-15" using
-escape sequence.
-
-: **small** (//echo -en [ escape sequence ]//)
-Sets small xterm font ("6x10") using escape sequence.
-
-: **smartfont** (//echo -en [ escape sequence ]//)
-Sets font of xterm to "-artwiz-smoothansi-*-*-*-*-*-*-*-*-*-*-*-*" using
-escape sequence.
-