Gcc vs g ++

[Root @ localhost var] # rpm-qpR gcc-4.4.7-3.el6.x86_64.rpm
Warning: gcc-4.4.7-3.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 192a7d7d: NOKEY
/Bin/sh
/Bin/sh
/Bin/sh
/Sbin/install-info
/Sbin/install-info
Binutils> = 2.19.51.0.14-33
Cloog-ppl> = 0.15
Cpp = 4.4.7-3. el6
Glibc-devel> = 2.2.90-12
Libc. so.6 () (64bit)
Libc. so.6 (GLIBC_2.11) (64bit)
Libc. so.6 (GLIBC_2.2.5) (64bit)
Libc. so.6 (GLIBC_2.3) (64bit)
Libc. so.6 (GLIBC_2.4) (64bit)
Libc. so.6 (GLIBC_2.7) (64bit)
Libgcc> = 4.4.7-3. el6
Libgcc_s.so.1 () (64bit)
Libgomp = 4.4.7-3. el6
Libgomp. so.1 () (64bit)
Rpmlib (CompressedFileNames) <= 3.0.4-1
Rpmlib (FileDigests) <= 4.6.0-1
Rpmlib (PartialHardlinkSets) <= 4.0.4-1
Rpmlib (PayloadFilesHavePrefix) <= 4.0-1
Rpmlib (VersionedDependencies) <= 3.0.3-1
Rtld (GNU_HASH)
Rpmlib (PayloadIsXz) <= 5.2-1

Sh-4.1 # rpm-qpR gcc-c ++-4.4.7-3. el6.x86 _ 64.rpm
Warning: gcc-c ++-4.4.7-3. el6.x86 _ 64.rpm: Header V4 DSA/SHA1 Signature, key ID 192a7d7d: NOKEY
Gcc = 4.4.7-3. el6
Libc. so.6 () (64bit)
Libc. so.6 (GLIBC_2.11) (64bit)
Libc. so.6 (GLIBC_2.2.5) (64bit)
Libc. so.6 (GLIBC_2.4) (64bit)
Libc. so.6 (GLIBC_2.7) (64bit)
Libdl. so.2 () (64bit)
Libdl. so.2 (GLIBC_2.2.5) (64bit)
Libgmp. so.3 () (64bit)
Libmp Fr. so.1 () (64bit)
Libstdc ++ = 4.4.7-3. el6
Libstdc ++-devel = 4.4.7-3. el6
Libstdc ++. so.6 () (64bit)
Rpmlib (CompressedFileNames) <= 3.0.4-1
Rpmlib (FileDigests) <= 4.6.0-1
Rpmlib (PartialHardlinkSets) <= 4.0.4-1
Rpmlib (PayloadFilesHavePrefix) <= 4.0-1
Rpmlib (VersionedDependencies) <= 3.0.3-1
Rtld (GNU_HASH)
Rpmlib (PayloadIsXz) <= 5.2-1


Sh-4.1 # rpm-ql gcc-c ++-4.4.7-3. el6.x86 _ 64 | grep 'cc1plus'
/Usr/libexec/gcc/x86_64-redhat-linux/4.4.4/cc1plus

If you use GCC to compile a C ++ program directly, an error will be thrown:
Gcc: error trying to exec 'cc1plus ': execvp: No such file or directory
Note that even if you can use gcc to compile c ++, you also need to install the c ++ Library