4 /SCROLLBACK, or the default alias /SB:
7 - Remove lines with level matching one of those
8 specified in the comma-separated list <level>.
10 - Clear screen, free all memory used by texts in window.
12 - Jump to start of the buffer.
14 - Jump to end of the buffer.
15 /SB GOTO [[-|+]line#|time]
16 - Jump to specified line or timestamp.
17 time format is [dd[.mm] | -<days ago>] hh:mi[:ss].