$ whatis rpm

rpm (8) - RPM Package Manager

Examples:

Use: screen [-opts] [cmd [args]]
or: screen -r [host.tty]
Options:
-4 Resolve hostnames only to IPv4 addresses.
-6 Resolve hostnames only to IPv6 addresses.
-a Force all capabilities into each window's termcap.
-A -[r|R] Adapt all windows to the new display width & height.
-c file Read configuration file instead of '.screenrc'.
-d (-r) Detach the elsewhere running screen (and reattach here).
-dmS name Start as daemon: Screen session in detached mode.
-D (-r) Detach and logout remote (and reattach here).
-D -RR Do whatever is needed to get a screen session.
-e xy Change command characters.
-f Flow control on, -fn = off, -fa = auto.
-h lines Set the size of the scrollback history buffer.
-i Interrupt output sooner when flow control is on.
-l Login mode on (update /var/run/utmp), -ln = off.
-ls [match] or
-list Do nothing, just list our SockDir [on possible matches].
-L Turn on output logging.
-Logfile file Set logfile name.
-m ignore
STY variable, do create a new screen session.
-O Choose optimal output rather than exact vt100 emulation.
-p window Preselect the named window if it exists.
-q Quiet startup. Exits with non-zero return code if unsuccessful.
-Q Commands will send the response to the stdout of the querying process.
-r [session] Reattach to a detached screen process.
-R Reattach if possible, otherwise start a new session.
-s shell Shell to execute rather than
SHELL.
-S sockname Name this session .sockname instead of ...
-t title Set title. (window's name).
-T term Use term as
TERM for windows, rather than "screen".
-U Tell screen to use UTF-8 encoding.
-v Print "Screen version 4.06.02 (GNU) 23-Oct-17".
-wipe [match] Do nothing, just clean up SockDir [on possible matches].
-x Attach to a not detached screen. (Multi display mode).
-X Execute as a screen command in the specified session.
byobu (1) - wrapper script for seeding a user's byobu configuration and launching a text based window manager ...
byobu-screen (1) - Launch byobu with screen as the backend
clear (1) - clear the terminal screen
figlet (6) - display large characters made up of ordinary screen characters
figlet-figlet (6) - display large characters made up of ordinary screen characters
mapscrn (8) - load screen output mapping table
scr_dump (5) - format of curses screen-dumps.
screen (1) - screen manager with VT100/ANSI terminal emulation
screendump (1) - dump the contents of a virtual console to stdout
setfont (8) - load EGA/VGA console screen font
setvesablank (8) - Turn VESA screen blanking on or off
showconsolefont (8) - Show the current EGA/VGA console screen font
vcstime (8) - Show time in upper right hand corner of the console screen
watch (1) - execute a program periodically, showing output fullscreen
xdg-screensaver (1) - command line tool for controlling the screensaver
xrefresh (1) - refresh all or part of an X screen
__ppc_get_timebase (3) - get the current value of the Time Base Register on Power architecture and its frequency.
__ppc_get_timebase_freq (3) - get the current value of the Time Base Register on Power architecture and its frequency.
a2query (1) - retrieve runtime configuration from a local Apache 2 HTTP server
adjtime (3) - correct the time to synchronize the system clock
adjtimex (2) - tune kernel clock
aio_suspend (3) - wait for asynchronous I/O operation or timeout
annotate-output (1) - annotate program output with time and stream
asctime (3) - transform date and time to broken-down time or ASCII
asctime_r (3) - transform date and time to broken-down time or ASCII
bootparam (7) - introduction to boot time parameters of the Linux kernel
chrt (1) - manipulate the real-time attributes of a process
Class::XSAccessor (3pm) - Generate fast XS accessors without runtime compilation
Class::XSAccessor::Array (3pm) - Generate fast XS accessors without runtime compilation
clock (3) - determine processor time
clock_getcpuclockid (3) - obtain ID of a process CPU-time clock
clock_getres (2) - clock and time functions
clock_getres (3) - clock and time functions
clock_gettime (2) - clock and time functions
clock_gettime (3) - clock and time functions
clock_settime (2) - clock and time functions
clock_settime (3) - clock and time functions
ctime (3) - transform date and time to broken-down time or ASCII
ctime_r (3) - transform date and time to broken-down time or ASCII
date (1) - print or set the system date and time
Date::Parse (3pm) - Parse date strings into time values
daylight (3) - initialize time conversion information
difftime (3) - calculate time difference
docker-events (1) - Get real time events from the server
docker-system-events (1) - Get real time events from the server
unimplemented (2) - unimplemented system calls
ftime (3) - return date and time
utimensat (2) - change file timestamps with nanosecond precision
futimens (3) - change file timestamps with nanosecond precision
futimes (3) - change file timestamps
futimesat (2) - change timestamps of a file relative to a directory file descriptor
getdate (3) - convert a date-plus-time string to broken-down time
getdate_err (3) - convert a date-plus-time string to broken-down time
getdate_r (3) - convert a date-plus-time string to broken-down time
getitimer (2) - get or set value of an interval timer
gettimeofday (2) - get / set time
gmtime (3) - transform date and time to broken-down time or ASCII
gmtime_r (3) - transform date and time to broken-down time or ASCII
hwclock (8) - time clocks utility
IPC::Run::Timer (3pm) - - Timer channels for IPC::Run.
kbdrate (8) - reset the keyboard repeat rate and delay time
keep-one-running (1) - run just one instance at a time of some command and unique set of arguments (useful for cronjobs, eg)
ldconfig (8) - configure dynamic linker run-time bindings
localtime (3) - transform date and time to broken-down time or ASCII
localtime (5) - Local timezone configuration file
localtime_r (3) - transform date and time to broken-down time or ASCII
lutimes (3) - change file timestamps
mktime (3) - transform date and time to broken-down time or ASCII
Module::Runtime (3pm) - runtime module handling
modules (5) - kernel modules to load at boot time
mq_timedreceive (2) - receive a message from a message queue
mq_timedreceive (3) - receive a message from a message queue
mq_timedsend (2) - send a message to a message queue
mq_timedsend (3) - send a message to a message queue
ntp_adjtime (3) - tune kernel clock
ntp_gettime (3) - get time parameters (NTP daemon interface)
ntp_gettimex (3) - get time parameters (NTP daemon interface)
openssl-s_time (1ssl) - SSL/TLS performance timing program
openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
openssl-tsget (1ssl) - Time Stamping HTTP/HTTPS client
pam_time (8) - PAM module for time control access
pam_timestamp (8) - Authenticate using cached successful authentication attempts
pam_timestamp_check (8) - Check to see if the default timestamp is valid
profil (3) - execution time profile
pthread_getcpuclockid (3) - retrieve ID of a thread's CPU time clock
pthread_timedjoin_np (3) - try to join with a terminated thread
pts-subscribe (1) - time-limited subscription to the PTS
pts-unsubscribe (1) - time-limited subscription to the PTS
rt_sigtimedwait (2) - synchronously wait for queued signals
rtc (4) - real-time clock
rtcwake (8) - enter a system sleep state until specified wakeup time
rtime (3) - get time from a remote machine
run-one (1) - run just one instance at a time of some command and unique set of arguments (useful for cronjobs, eg)
run-one-constantly (1) - run just one instance at a time of some command and unique set of arguments (useful for cronjobs...
run-one-until-failure (1) - run just one instance at a time of some command and unique set of arguments (useful for cronj...
run-one-until-success (1) - run just one instance at a time of some command and unique set of arguments (useful for cronj...
run-this-one (1) - run just one instance at a time of some command and unique set of arguments (useful for cronjobs, eg)
runc (8) - Open Container Initiative runtime
s390_runtime_instr (2) - enable/disable s390 CPU run-time instrumentation
s_time (1ssl) - SSL/TLS performance timing program
sem_timedwait (3) - lock a semaphore
semtimedop (2) - System V semaphore operations
setitimer (2) - get or set value of an interval timer
settimeofday (2) - get / set time
sigtimedwait (2) - synchronously wait for queued signals
slabtop (1) - display kernel slab cache information in real time
sleep (1) - delay for a specified amount of time
stime (2) - set time
strftime (3) - format date and time
strptime (3) - convert a string representation of time to a time tm structure
sysconf (3) - get configuration information at run time
sysctl (8) - configure kernel parameters at runtime
systemd-debug-generator (8) - Generator for enabling a runtime debug shell and masking specific units at boot
systemd-run (1) - Run programs in transient scope units, service units, or path-, socket-, or timer-triggered servic...
systemd-timedated (8) - Time and date bus mechanism
systemd-timedated.service (8) - Time and date bus mechanism
systemd-timesyncd (8) - Network Time Synchronization
systemd-timesyncd.service (8) - Network Time Synchronization
systemd-tmpfiles-clean.timer (8) - Creates, deletes and cleans up volatile and temporary files and directories
systemd.time (7) - Time and date specifications
systemd.timer (5) - Timer unit configuration
time (1) - run programs and summarize system resource usage
time (2) - get time in seconds
time (3am) - time functions for gawk
time (7) - overview of time and timers
time.conf (5) - configuration file for the pam_time module
Time::Zone (3pm) - - miscellaneous timezone manipulations routines
timedatectl (1) - Control the system time and date
timegm (3) - inverses of gmtime and localtime
timelocal (3) - inverses of gmtime and localtime
timeout (1) - run a command with a time limit
timer_create (2) - create a POSIX per-process timer
timer_delete (2) - delete a POSIX per-process timer
timer_getoverrun (2) - get overrun count for a POSIX per-process timer
timer_gettime (2) - arm/disarm and fetch state of POSIX per-process timer
timer_settime (2) - arm/disarm and fetch state of POSIX per-process timer
timeradd (3) - timeval operations
timerclear (3) - timeval operations
timercmp (3) - timeval operations
timerfd_create (2) - timers that notify via file descriptors
timerfd_gettime (2) - timers that notify via file descriptors
timerfd_settime (2) - timers that notify via file descriptors
timerisset (3) - timeval operations
timersub (3) - timeval operations
times (2) - get process times
timesyncd.conf (5) - Network Time Synchronization configuration files
timesyncd.conf.d (5) - Network Time Synchronization configuration files
timezone (3) - initialize time conversion information
touch (1) - change file timestamps
ts (1ssl) - Time Stamping Authority tool (client/server)
tsget (1ssl) - Time Stamping HTTP/HTTPS client
tzfile (5) - timezone information
tzname (3) - initialize time conversion information
tzselect (1) - view timezones
tzselect (8) - select a timezone
tzset (3) - initialize time conversion information
uptime (1) - Tell how long the system has been running.
utime (2) - change file last access and modification times
utimes (2) - change file last access and modification times
vcstime (8) - Show time in upper right hand corner of the console screen
vtimes (3) - get resource usage
xfs_rtcp (8) - XFS realtime copy command
zdump (8) - timezone dumper
zic (8) - timezone compiler
Usage: rpm [OPTION...]
Query/Verify package selection options:
-a, --all query/verify all packages
-f, --file query/verify package(s) owning file
-g, --group query/verify package(s) in group
-p, --package query/verify a package file
--pkgid query/verify package(s) with package
identifier
--hdrid query/verify package(s) with header
identifier
--triggeredby query the package(s) triggered by the
package
--whatrequires query/verify the package(s) which require
a dependency
--whatprovides query/verify the package(s) which provide
a dependency
--whatrecommends query/verify the package(s) which
recommends a dependency
--whatsuggests query/verify the package(s) which
suggests a dependency
--whatsupplements query/verify the package(s) which
supplements a dependency
--whatenhances query/verify the package(s) which
enhances a dependency
--nomanifest do not process non-package files as
manifests
Query options (with -q or --query):
-c, --configfiles list all configuration files
-d, --docfiles list all documentation files
-L, --licensefiles list all license files
-A, --artifactfiles list all artifact files
--dump dump basic file information
-l, --list list files in package
--queryformat=QUERYFORMAT use the following query format
-s, --state display the states of the listed files
Verify options (with -V or --verify):
--nofiledigest don't verify digest of files
--nofiles don't verify files in package
--nodeps don't verify package dependencies
--noscript don't execute verify script(s)
Install/Upgrade/Erase options:
--allfiles install all files, even configurations
which might otherwise be skipped
--allmatches remove all packages which match
(normally an error is generated if
specified multiple packages)
--badreloc relocate files in non-relocatable package
-e, --erase=+ erase (uninstall) package
--excludedocs do not install documentation
--excludepath= skip files with leading component
--force short hand for --replacepkgs
--replacefiles
--force-debian force installation of rpm on Debian system
-F, --freshen=+ upgrade package(s) if already installed
-h, --hash print hash marks as package installs
(good with -v)
--ignorearch don't verify package architecture
--ignoreos don't verify package operating system
--ignoresize don't check disk space before installing
-i, --install install package(s)
--justdb update the database, but do not modify
the filesystem
--nodeps do not verify package dependencies
--nofiledigest don't verify digest of files
--nocontexts don't install file security contexts
--nocaps don't install file capabilities
--noorder do not reorder package installation to
satisfy dependencies
--noscripts do not execute package scriptlet(s)
--notriggers do not execute any scriptlet(s) triggered
by this package
--oldpackage upgrade to an old version of the package
(--force on upgrades does this
automatically)
--percent print percentages as package installs
--prefix=
relocate the package to , if

relocatable

--relocate== relocate files from path to

--replacefiles ignore file conflicts between packages

--replacepkgs reinstall if the package is already

present

--test don't install, but tell if it would work

or not

-U, --upgrade=+ upgrade package(s)

--reinstall=+ reinstall package(s)

Common options for all rpm modes and executables:

-D, --define='MACRO EXPR' define MACRO with value EXPR

--undefine=MACRO undefine MACRO

-E, --eval='EXPR' print macro expansion of EXPR

--target=CPU-VENDOR-OS Specify target platform

--macros= read instead of default file(s)

--noplugins don't enable any plugins

--nodigest don't verify package digest(s)

--nosignature don't verify package signature(s)

--rcfile= read instead of default file(s)

-r, --root=ROOT use ROOT as top level directory (default:

"/")

--dbpath=DIRECTORY use database in DIRECTORY

--querytags display known query tags

--showrc display final rpmrc and macro

configuration

--quiet provide less detailed output

-v, --verbose provide more detailed output

--version print the version of rpm being used

Options implemented via popt alias/exec:

--scripts list install/erase scriptlets from

package(s)

--setperms set permissions of files in a package

--setugids set user/group ownership of files in a

package

--conflicts list capabilities this package conflicts

with

--obsoletes list other packages removed by installing

this package

--provides list capabilities that this package

provides

--requires list capabilities required by package(s)

--recommends list capabilities recommended by

package(s)

--suggests list capabilities suggested by package(s)

--supplements list capabilities supplemented by

package(s)

--enhances list capabilities enhanced by package(s)

--info list descriptive information from

package(s)

--changelog list change logs for this package

--changes list changes for this package with full

time stamps

--xml list metadata in xml

--triggers list trigger scriptlets from package(s)

--filetriggers list filetrigger scriptlets from

package(s)

--last list package(s) by install time, most

recent first

--dupes list duplicated packages

--filesbypkg list all files from each package

--fileclass list file names with their classes

--filecolor list file names with their colors

--fileprovide list file names with their provides

--filerequire list file names with requires

--filecaps list file names with their POSIX1.e

capabilities

Help options:

-?, --help Show this help message

--usage Display brief usage message

Please click on " man rpm " to see the Manual Page for this command.