rpcinfo
List programs via RPC on remote computers.
rpcclient
MS-RPC client tool (part of the samba suite).
rolldice
Roll virtual dice.
rofi
An application launcher and window switcher.
rmmod
Remove modules from the Linux kernel.See also: kmod, for other module management commands.
kmod
rlogin
Log in to a remote host.
rkhunter
Searches for rootkits and malware.
ripmime
Extract attachments out of a MIME encoded email package.
rig
Utility to piece together a random first name, last name, street number and address, along with a geographically consistent (ie, they all match the same area) city, state, ZIP code, and area code.
rfkill
Enable and disable wireless devices.
rexec
Execute a command on a remote host.Note: Use rexec with caution, as it transmits data in plain text. Consider secure alternatives like SSH for encrypted communication.
retroarch
A frontend for emulators, game engines and media players.The reference implementation of the libretro API.
restorecon
Restore SELinux security context on files/directories according to persistent rules.See also: semanage-fcontext.
semanage-fcontext
resolveip
Resolve hostnames to their IP addresses and vice versa.
resolvectl
Resolve domain names, IPv4 and IPv6 addresses, DNS resource records, and services.Introspect and reconfigure the DNS resolver.
resize2fs
Resize an ext2, ext3 or ext4 filesystem.Does not resize the underlying partition. The filesystem may have to be unmounted first, read the man page for more details.
reset
Reinitialize the current terminal. Clears the entire terminal screen.
reptyr
Move a running process to a new terminal.Best used when you forget to start a long running task in screen.
screen
repquota
Display a summary of existing file quotas for a filesystem.
reportbug
Bug report tool of Debian distribution.