List versions

linux

• lx kernel version :
  uname -r
• system info ( hostname , machineID , bootID , os version , kernel version)
  hostnamectl
• Linux Mint system info
  inxi -S
• OS version ( with os version code name)

cat  /etc/issue 
# mint only
cat  /etc/linuxmint/info
# both mint & ubuntu
cat  /etc/os-release
# ubuntu only -- will show on LXM on which ubuntu version/build this LXM has been build
cat  /etc/upstream-release/lsb-release

check the version of software

- can often be done by adding a --version param to the shell command
vb : libbre-office --version
- in the app , oftentimes : menu > help > about

GTK

dpkg -l libgtk* | grep -e '^i' | grep -e 'libgtk-*[0-9]'
bekijk :
libgtk-3-bin 3.24.20-0ubuntu1
libgtk2.0-bin 2.24.32-4ubuntu4