- [Behaviour and navigation](#behaviour-and-navigation)
- [File association](#file-association)
- [Optimization](#optimization)
+- [Performance](#performance)
- [Installation](#installation)
- [Usage](#usage)
- [Keyboard shortcuts](#keyboard-shortcuts)
- Compiler warnings fixed
- strip the final binary
-The following top excerpt shows the difference in nnn and ncdu memory usage while listing `/usr/bin` with 1439 entries in disk usage analyzer mode, sorted by total content size:
+### Performance
+
+nnn vs. ncdu memory usage while listing `/usr/bin` with 1439 entries in disk usage analyzer mode, sorted by total content size:
```
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10409 vaio 20 0 20452 9172 2356 S 0.0 0.2 0:00.83 nnn -d
```
+nnn vs. ranger memory usage while viewing a directory with 10,178 files, sorted by size:
+
+```
+ PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
+22465 vaio 20 0 233956 192136 7896 S 0.0 3.9 0:05.31 /usr/bin/python -O /usr/bin/ranger
+21743 vaio 20 0 55984 44648 2468 S 0.0 0.9 0:01.17 nnn -d
+```
+
### Installation
nnn needs a curses implementation and standard libc.