Will it be possible to compile programs inside android system with git and make?

Question

linux

The other day I installed a terminal in my Android (I found a lot of interesting things): I
just looked at the environment variable (echo $PATH)
I tried a few (echo, cat, ls, top, ping, ifconfig):

(screenshots will be here later)
UPD1:
Why can not add to git or make system?
UPD2
Why can't you use ssh?
UPD3
Why not access iptables etc?
How to properly divide disks considering all my UPDs?
Is it possible to find out by the name of the program its purpose? I think - YES :
and then looked at the list of available commands (ls /system/bin > list)

reboot
usbhub
mm-adec-omxvam-test
abtfilt
logcat
mm-adec-omxQcelpHw-test
omx_tests
gpsd
ifconfig
route
mediaserver
iptables
sdcard
mfgloader
rm
mm-jpeg-enc-test
mm-vdec-omx-test
recEvent
netd
df
debuggerd
sync
drm_android_siso_test
setconsole
ndc
mm-abl-test
system_server
newfs_msdos
usbhub_init
test_diag
mxc62xx_test
applypatch
hciattach
mm-adec-omxmp3-test
npsmobex
start
mm-venc-omx-test
bootanimation
input
ping
rild
gzip
pm
sleep
iftop
qmuxd
toolbox
logwrapper
dhcpcd
fsck_msdos
qrngd
mm-aenc-omxamr-test
bluetoothd
hostapd
diag_mdlog
cnd
mm-adec-omxevrc-hw-test
ip
servicemanager
ime
memsicd
athtestcmd
wlandutservice
mm-audio-alsa-test
brcm_patchram_plus
log
am
linker
mkdir
ecs_ctrl_test
dumpsys
dumpstate
vdc
mtpd
ioctl
smd
mm-audio-mvs-test
lsof
samsungani
chmod
chown
svc
vold
mm-qcamera-testsuite-client
sdptool
dbus-daemon
wpa_supplicant
keystore
monkey
playsound
ecs_data_test
bugreport
wlan_tool
sendevent
pppd
mv
hostapd_cli
ln
cat
bmgr
service
cmp
ds_fmc_appd
mmc31xx_test
mm-audio-native-test
umount
wipe
dalvikvm
nl_listener
stop
lsmod
insmod
rmmod
id
port-bridge
mm-adec-omxamrwb-test
netstat
sh
drexe
top
netmgrd
rmdir
ionice
mm-qcamera-test
pand
renice
qrngtest
uptime
setprop
mm-aenc-omxevrc-test
diag_klog
dnsmasq
racoon
dmesg
drm_sqlite3_test
artagent
mount
app_process
printenv
dumpmesg
run-as
tc
hd
dexopt
PktRspTest
vmstat
schedtop
kill
notify
ast-mm-vdec-omx-test7k
dd
date
ps
dvz
wmiconfig
mm-adspsvc-test
BCM2049C0_003.001.031.0088.0094.hcd
mm-aenc-omxaac-test
mm-adec-omxadpcm-test
mm-jpeg-dec-test
drvdebugctrl
mm-aenc-omxqcelp13-test
schedtest
mm-adec-omxamr-test
ls
installd
mm-adec-omxwma-test
rmt_storage
surfaceflinger
hostapd_wps
getevent
btld
getprop
watchprops
netcfg
nandread
mm-adec-omxaac-test
wlan_mac
su
us

And it dawned on me:
Why not use your phone as a simple Linux system?
UPD10:
Have you personally tried to install anything on an Android system from Linux/GNU?
Share your experience, advise or dissuade me - after all, this is the subject of my question.
The question is still the same:
Will it be possible to compile programs inside the Android system using git and make?

Answer 1

Everything is possible, put whatever you want, it feels like someone forbids you, he root in any Linux root.

Answer 2

https://source.android.com/source/building-devices.html