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--- development:system:shell [2024/08/06 06:59] – created - external edit 127.0.0.1
+++ development:system:shell [2024/10/29 07:39] (current) – [cat] tungnt
@@ Line 32: / Line 32: @@
 </code>
+<code bash>
+% time cat ut_2024_10.csv | wc -l
+ 7171315
+cat ut_2024_10.csv  0.04s user 0.63s system 21% cpu 3.117 total
+wc -l  2.79s user 0.13s system 93% cpu 3.115 total
+</code>
 ==== head & tail ====
@@ Line 522: / Line 528: @@
   * https://mlwhiz.com/blog/2015/10/09/shell_basics_for_data_science/
   * https://mlwhiz.com/blog/2015/10/11/shell_basics_for_data_science_2/
+  * {{ :development:system:shell_basics_every_data_scientist_should_know_-part_i_-_mlwhiz.pdf |}}
+  * {{ :development:system:shell_basics_every_data_scientist_should_know_-_part_ii_awk_-_mlwhiz.pdf |}}