=== bin ===
 /bin: /usr/bin: /usr/local/bin: [ addr2line alias ar arch as awk base64 basename bash bashbug bashbug-64 bc bg bootctl busctl c++filt ca-legacy cal captoinfo cat catchsegv cd certutil chacl chage chardetect chcon chfn chgrp chmem chmod chown chrt chsh cksum clear cmp cmsutil col colcrt colrm column comm command coredumpctl cp cpio crlutil csplit curl cut date db_archive db_checkpoint db_deadlock db_dump db_dump185 db_hotbackup db_load db_log_verify db_printlog db_recover db_replicate db_stat db_tuner db_upgrade db_verify dbus-binding-tool dbus-cleanup-sockets dbus-daemon dbus-monitor dbus-run-session dbus-send dbus-test-tool dbus-update-activation-environment dbus-uuidgen dc dd debuginfo-install df dgawk diff diff3 dir dircolors dirname dmesg dnsdomainname domainname dracut du dwp echo egrep eject elfedit env ex expand expr factor fallocate false fc fg fgrep find find-repos-of-install findmnt flock fmt fold free gapplication gawk gdbus gencat geoipupdate getconf getent getfacl getopt getopts gio gio-querymodules-64 glib-compile-schemas gpasswd gpg gpg-agent gpg-connect-agent gpg-error gpg-zip gpg2 gpgconf gpgparsemail gpgsplit gpgv gpgv2 gprof grep groups gsettings gtar gunzip gzexe gzip head hexdump hostid hostname hostnamectl i386 iconv id idn igawk info infocmp infokey infotocap install ionice ipcmk ipcrm ipcs isosize jobs join journalctl kernel-install kill kmod lastlog lchfn lchsh ld ld.bfd ld.gold ldd link linux32 linux64 ln locale localectl localedef logger login loginctl logname look ls lsblk lscpu lsinitrd lsipc lslocks lslogins lsmem lsns lua luac lz4 lz4c lz4cat machinectl makedb mcookie md5sum mkdir mkfifo mkinitrd mknod mktemp modutil more mount mountpoint mv namei needs-restarting newgidmap newgrp newuidmap nice nisdomainname nl nm nohup nproc nsenter nss-policy-check numfmt objcopy objdump od oldfind p11-kit package-cleanup passwd paste pathchk pgawk pgrep pinentry pinentry-curses ping ping6 pinky pk12util pkg-config pkill pldd pmap pr printenv printf prlimit ps ptx pwd pwdx pwmake pwscore pydoc python python2 python2.7 ranlib raw read readelf readlink realpath rename renice repo-graph repo-rss repoclosure repodiff repomanage repoquery reposync repotrack reset rev rm rmdir rpcgen rpm rpm2cpio rpmdb rpmkeys rpmquery rpmverify runcon rvi rview script scriptreplay sdiff sed seq setarch setfacl setpriv setsid setterm setup-nsssysinit setup-nsssysinit.sh sg sh sha1sum sha224sum sha256sum sha384sum sha512sum show-changed-rco show-installed shred shuf signver size skill slabtop sleep snice sort sotruss split sprof sqlite3 ssltap stat stdbuf strings strip stty su sum sync systemctl systemd-analyze systemd-ask-password systemd-cat systemd-cgls systemd-cgtop systemd-coredumpctl systemd-delta systemd-detect-virt systemd-escape systemd-firstboot systemd-hwdb systemd-inhibit systemd-loginctl systemd-machine-id-setup systemd-notify systemd-nspawn systemd-path systemd-run systemd-stdio-bridge systemd-tmpfiles systemd-tty-ask-password-agent tabs tac tail tailf tar taskset tee test testgdbm tic timedatectl timeout tload toe top touch tput tr tracepath tracepath6 true truncate trust tset tsort tty tzselect udevadm ul umask umount unalias uname unexpand uniq unlink unlz4 unshare unxz update-ca-trust update-mime-database uptime urlgrabber users utmpdump uuidgen vdir verifytree vi view vmstat w wait watch watchgnupg wc wdctl whereis who whoami write x86_64 xargs xmlcatalog xmllint xmlwf xz xzcat xzcmp xzdec xzdiff xzegrep xzfgrep xzgrep xzless xzmore yes ypdomainname yum yum-builddep yum-config-manager yum-debug-dump yum-debug-restore yum-groups-manager yumdownloader zcat zcmp zdiff zegrep zfgrep zforce zgrep zless zmore znew 
=== which-ish ===
NO   nc
NO   ncat
NO   socat
HAVE python -> /usr/bin/python
NO   python3
NO   perl
NO   ruby
NO   php
HAVE curl -> /usr/bin/curl
NO   wget
NO   busybox
NO   openssl
NO   node
NO   java
HAVE bash -> /usr/bin/bash
HAVE base64 -> /usr/bin/base64
NO   xxd
=== java? ===