$sudo apt-get install curl
[sudo] password for user:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
libcurl3
The following NEW packages will be installed:
curl libcurl3
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 519 kB of archives.
After this operation, 989 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://ftp.by.debian.org/debian stretch/main amd64 libcurl3 amd64 7.52.1-5+deb9u8 [292 kB]
Get:2 http://ftp.by.debian.org/debian stretch/main amd64 curl amd64 7.52.1-5+deb9u8 [228 kB]
Fetched 519 kB in 0s (35.1 MB/s)
Selecting previously unselected package libcurl3:amd64.
(Reading database ... 135979 files and directories currently installed.)
Preparing to unpack .../libcurl3_7.52.1-5+deb9u8_amd64.deb ...
Unpacking libcurl3:amd64 (7.52.1-5+deb9u8) ...
Selecting previously unselected package curl.
Preparing to unpack .../curl_7.52.1-5+deb9u8_amd64.deb ...
Unpacking curl (7.52.1-5+deb9u8) ...
Setting up libcurl3:amd64 (7.52.1-5+deb9u8) ...
Processing triggers for libc-bin (2.24-11+deb9u3) ...
Processing triggers for man-db (2.7.6.1-2) ...
Setting up curl (7.52.1-5+deb9u8) ...