（公司任務僅做參考）
apt / awk/
base64
cat / cd / chgrp / chkconfig / chmod / chown / chpasswd / clear / clock / cp / crontab / curl
date / df / diff
echo / env / eval / exit / export
fdisk / find / free
grep
head / help / history / hostname
ifconfig / iostat / iptables
kill
last / lastb / lastlog / less / ln / ls / lsof
mail / man / mkdir / more / mount / mv
nc / netstat / nohup
passwd / ping / ps / pstree / pwd
reboot / restart / rm / rpm
scp / sed / service / setenforce / shutdown / sleep / sort / source / ssh / ssh-add / ssh-keygen / su / sudo
tail / tar / telnet / time / top / touch
ulimit / umount / uname / unzip / uptime / useradd / userdel
vi
wc / wget / whereis / which / who / whoami
xargs
yum
zip
需要熟悉的常用軟件
1. haproxy (命令行操作)
2. mysql (命令行操作)
3. rabbitmq (命令行操作)
4. nginx (命令行操作)
5. apache httpd (命令行操作)
6. tomcat (命令行操作)
7. maven (命令行操作)
8. git (命令行操作)
9. Nexus sonatype
10. jenkins