ssh-agent
Spawn an SSH Agent process.An SSH Agent holds SSH keys decrypted in memory until removed or the process is killed.See also ssh-add, which can add and manage keys held by an SSH Agent.
ssh-add
Manage loaded SSH keys in the ssh-agent.Ensure that ssh-agent is up and running for the keys to be loaded in it.
ss-local
Run a Shadowsocks client as a SOCKS5 proxy.
srm
Securely remove files or directories.Overwrites the existing data one or multiple times. Drop in replacement for rm.
sqsc
A command-line AWS Simple Queue Service client.
sqlmap
Detect and exploit SQL injection flaws.
sqlite3
The command-line interface to SQLite 3, which is a self-contained file-based embedded SQL engine.
sqlite-utils
Command-line tool used to manipulate SQLite databases in a number of different ways.
sputoppm
Convert an Atari uncompressed Spectrum image to a PPM image.
spotdl
Download Spotify playlists and songs along with metadata.
sponge
Soak up the input before writing the output file.
split
Split a file into pieces.
spike
A fully featured static website generator written in JavaScript.
spicetify
Customize the Spotify client UI and functionality.
sphinx-build
Sphinx documentation generator.
spfquery
Query Sender Policy Framework records to validate e-mail senders.
speedtest
Note: some platforms link speedtest to speedtest-cli or other tools like librespeed, which can also be installed as speedtest on certain Linux distributions.These command examples apply only to the official client.
speedtest-cli
librespeed
See also: speedtest for the official CLI.
speedcrunch
A high-precision scientific calculator.
speed-test