[root@RV1126_RV1109:/userdata/apt-main/CMake]# apt-get
-sh: apt-get: not found
[root@RV1126_RV1109:/userdata/apt-main/CMake]# vim
-sh: vim: not found
[root@RV1126_RV1109:/userdata/apt-main/CMake]# apt
-sh: apt: not found
[root@RV1126_RV1109:/userdata/apt-main/CMake]# cd
[root@RV1126_RV1109:/oem]# cd /bin/
[root@RV1126_RV1109:/bin]# ls
ash            cpio           egrep          hostname       lsattr         mv             pwd            sh             umount
busybox        date           false          kill           mkdir          netstat        rm             sleep          uname
cat            dd             fdflush        link           mknod          nice           rmdir          stty           usleep
chattr         df             fgrep          linux32        mktemp         pidof          run-parts      su             vi
chgrp          dmesg          getopt         linux64        more           ping           sed            sync           watch
chmod          dnsdomainname  grep           ln             mount          pipe_progress  setarch        tar            zcat
chown          dumpkmap       gunzip         login          mountpoint     printenv       setpriv        touch
cp             echo           gzip           ls             mt             ps             setserial      true
[root@RV1126_RV1109:/bin]#