ADD top chratsheet

docs/content/kb/top.md

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+title = "Top"
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+
+## Top cheatsheet
+
+``` bash
+top
+
+# E -> Cycle between units (Mib, Gib ...)
+# 1 -> See all CPU cores
+# t -> Show CPU utilization as a bar rather than number
+# m -> Show Memory utilization as a bar rather than number
+# z -> Add color (pretty useless)
+# c -> See full command with arguments instead of bin only
+# u -> Filter processes per user
+# k -> kill process (pid will be prompted)
+# r -> change nice value of process (pid will be prompted), 20 nicest / -19 power hungry tyrand
+# n -> set numer of lines shown
+# <Space> -> force top to refresh
+# W -> save current config
+```