내가 자주쓰는, 기억해야 하는 command - Ubuntu

환경변수 확인
u0018670@sys-90254:~$ more /etc/environment
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"
u0018670@sys-90254:~$ env | grep -i path
PATH=/home/u0018670/bin:/home/u0018670/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games

설치된 패키지 경로 확인
u0018670@sys-90254:~$ dpkg -S python-pip-whl
python-pip-whl: /usr/share/doc/python-pip-whl/changelog.Debian.gz
python-pip-whl: /usr/share/doc/python-pip-whl/copyright
python-pip-whl: /usr/share/doc/python-pip-whl
u0018670@sys-90254:~$ dpkg -S ifconfig
net-tools: /sbin/ifconfig
net-tools: /usr/share/man/de/man8/ifconfig.8.gz
linux-headers-4.4.0-103: /usr/src/linux-headers-4.4.0-103/tools/hv/hv_set_ifconfig.sh
net-tools: /usr/share/man/man8/ifconfig.8.gz
net-tools: /usr/share/man/pt_BR/man8/ifconfig.8.gz
linux-headers-4.4.0-104: /usr/src/linux-headers-4.4.0-104/tools/hv/hv_set_ifconfig.sh
net-tools: /usr/share/man/fr/man8/ifconfig.8.gz

/opt/at10.0 경로
IBM 패키지 중 advance-toolchain, xlc 등이 설치되는 경로 여기에 pip3 도 있고 gcc 도 있고... 과감히 삭제
u0018670@sys-90257:/opt/at10.0/bin$ dpkg -l |grep advance
ii  advance-toolchain-at10.0-devel      10.0-2                                     ppc64el      Advance Toolchain
ii  advance-toolchain-at10.0-mcore-libs 10.0-2                                     ppc64el      Advance Toolchain
ii  advance-toolchain-at10.0-perf       10.0-2                                     ppc64el      Advance Toolchain
ii  advance-toolchain-at10.0-runtime    10.0-2                                     ppc64el      Advance Toolchain