gzip -c file1 file2 > foo.gz                                                                                                                              If you want to recompress concatenated files to get better compression, d                                                                                             gzip -cd old.gz | gzip > new.gz                                                                                                                           If a compressed file consists of several members, the uncompressed size a       the  --list  option applies to the last member only. If you need the unco       members, you can use:                                                                                                                                                 gzip -cd file.gz | wc -c                                                                                                                                  If you wish to create a single archive file with multiple members so that Manual page gzip(1) line 187 (press h for help or q to quit)                   

admin@i-0cd98a1149e3e4ac2:~$ telnet 127.0.0.1                                   

-rw-r--r-- 1 admin admin 3526 Aug  4  2021 .bashrc                              drwxr-xr-x 3 admin admin 4096 Sep 20  2023 .config                              -rw-r--r-- 1 admin admin  807 Aug  4  2021 .profile                             drwx------ 2 admin admin 4096 Sep 17  2023 .ssh                                 drwxr-xr-x 2 admin root  4096 Sep 24  2023 agent                                -rwxrwx--- 1 root  root   360 Sep 24  2023 webserver.py                         admin@i-0c7688c6e49a68923:~$ cd /var/log                                        admin@i-0c7688c6e49a68923:/var/log$ ls                                          alternatives.log    auth.log       btmp    chrony                 daemon.log      journal     kern.log.2.gz  messages.1     private  syslog.1             user.lalternatives.log.1  auth.log.1     btmp.1  cloud-init-output.log  daemon.log.1    kern.log    lastlog        messages.2.gz  runit    syslog.2.gz          user.lapt                 auth.log.2.gz  cast    cloud-init.log         daemon.log.2.g  kern.log.1  messages       minio.log      syslog   unattended-upgrades  user.ladmin@i-0c7688c6e49a68923:/var/log$ less                                        

Starting Nmap 7.80 ( https://nmap.org ) at 2023-10-01 16:44 UTC                 Couldn't open a raw socket. Error: Operation not permitted (1)                  admin@i-0563da5eff2bd49c2:~$ echo 1 > /dev/tcp/127.0.0.1/80                     bash: connect: Connection refused                                               bash: /dev/tcp/127.0.0.1/80: Connection refused                                 admin@i-0563da5eff2bd49c2:~$ echo 1 > /dev/tcp/127.0.0.1/1                      bash: connect: Connection refused                                               bash: /dev/tcp/127.0.0.1/1: Connection refused                                  admin@i-0563da5eff2bd49c2:~$ echo 1 > /dev/tcp/127.0.0.1/2                      bash: connect: Connection refused                                               bash: /dev/tcp/127.0.0.1/2: Connection refused                                  admin@i-0563da5eff2bd49c2:~$ echo 1 > /dev/tcp/127.0.0.1/3                      bash: connect: Connection refused                                               bash: /dev/tcp/127.0.0.1/3: Connection refused                                  admin@i-0563da5eff2bd49c2:~$ for