committing changes in /etc after apt run

Package changes:
+build-essential 12.3 amd64
+cpp 4:6.3.0-4 amd64
+cpp-6 6.3.0-18+deb9u1 amd64
+g++ 4:6.3.0-4 amd64
+g++-6 6.3.0-18+deb9u1 amd64
+gcc 4:6.3.0-4 amd64
+gcc-6 6.3.0-18+deb9u1 amd64
+libasan3 6.3.0-18+deb9u1 amd64
+libatomic1 6.3.0-18+deb9u1 amd64
+libc-dev-bin 2.24-11+deb9u4 amd64
+libc6-dev 2.24-11+deb9u4 amd64
+libcc1-0 6.3.0-18+deb9u1 amd64
+libcilkrts5 6.3.0-18+deb9u1 amd64
+libgcc-6-dev 6.3.0-18+deb9u1 amd64
+libisl15 0.18-1 amd64
+libitm1 6.3.0-18+deb9u1 amd64
+liblsan0 6.3.0-18+deb9u1 amd64
+libmpc3 1.0.3-1+b2 amd64
+libmpx2 6.3.0-18+deb9u1 amd64
+libquadmath0 6.3.0-18+deb9u1 amd64
+libstdc++-6-dev 6.3.0-18+deb9u1 amd64
+libtsan0 6.3.0-18+deb9u1 amd64
+libubsan0 6.3.0-18+deb9u1 amd64
+linux-libc-dev 4.9.144-3.1 amd64

diff --git a/alternatives/c++ b/alternatives/c++
new file mode 120000 (symlink)
index 0000000..e51afad
--- /dev/null
+++ b/alternatives/c++
@@ -0,0 +1 @@
+/usr/bin/g++
\ No newline at end of file

diff --git a/alternatives/c89 b/alternatives/c89
new file mode 120000 (symlink)
index 0000000..9e67d74
--- /dev/null
+++ b/alternatives/c89
@@ -0,0 +1 @@
+/usr/bin/c89-gcc
\ No newline at end of file

diff --git a/alternatives/c89.1.gz b/alternatives/c89.1.gz
new file mode 120000 (symlink)
index 0000000..3a74238
--- /dev/null
+++ b/alternatives/c89.1.gz
@@ -0,0 +1 @@
+/usr/share/man/man1/c89-gcc.1.gz
\ No newline at end of file

diff --git a/alternatives/c99 b/alternatives/c99
new file mode 120000 (symlink)
index 0000000..323b6db
--- /dev/null
+++ b/alternatives/c99
@@ -0,0 +1 @@
+/usr/bin/c99-gcc
\ No newline at end of file

diff --git a/alternatives/c99.1.gz b/alternatives/c99.1.gz
new file mode 120000 (symlink)
index 0000000..e033f2d
--- /dev/null
+++ b/alternatives/c99.1.gz
@@ -0,0 +1 @@
+/usr/share/man/man1/c99-gcc.1.gz
\ No newline at end of file

diff --git a/alternatives/cc b/alternatives/cc
new file mode 120000 (symlink)
index 0000000..cd91449
--- /dev/null
+++ b/alternatives/cc
@@ -0,0 +1 @@
+/usr/bin/gcc
\ No newline at end of file

diff --git a/alternatives/cpp b/alternatives/cpp
new file mode 120000 (symlink)
index 0000000..00fc3c4
--- /dev/null
+++ b/alternatives/cpp
@@ -0,0 +1 @@
+/usr/bin/cpp
\ No newline at end of file