2019.11.11 — linux, lsof, port, process
2017.07.31 — linux, ps, kill, grep, awk
2017.07.31 — linux, yarn, install
2017.07.05 — linux, grep, cat
2017.06.28 — c, linux, debug, log, syslog
2017.05.17 — git, linux
2017.05.16 — linux, tar, gz