rand(1_000) - phpMan

jose-jwk-gen (1)     - Creates a random JWK for each input JWK template
RAND (7ssl)          - the OpenSSL random generator
BN_priv_rand (3ssl)  - generate pseudo-random number
BN_priv_rand_range (3ssl) - generate pseudo-random number
BN_pseudo_rand (3ssl) - generate pseudo-random number
BN_pseudo_rand_range (3ssl) - generate pseudo-random number
BN_rand (3ssl)       - generate pseudo-random number
BN_rand_range (3ssl) - generate pseudo-random number
Crypt::OpenSSL::Random (3pm) - OpenSSL/LibreSSL pseudo-random number generato...
DES_random_key (3ssl) - DES encryption
drand48 (3)          - generate uniformly distributed pseudo-random numbers
drand48 (3p)         - generate uniformly distributed pseudo-random numbers
drand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
ENGINE_get_default_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_get_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_register_all_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_register_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_set_default_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_set_RAND (3ssl) - ENGINE cryptographic module support
ENGINE_unregister_RAND (3ssl) - ENGINE cryptographic module support
erand48 (3)          - generate uniformly distributed pseudo-random numbers
erand48 (3p)         - generate uniformly distributed pseudo-random numbers
erand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
genrandom (8)        - generate a file containing random data
getentropy (3)       - fill a buffer with random bytes
getrandom (2)        - obtain a series of random bytes
haveged (8)          - Generate random numbers and feed Linux's random device.
initstate (3)        - random number generator
initstate (3p)       - pseudo-random number functions
initstate_r (3)      - reentrant random number generator
jrand48 (3)          - generate uniformly distributed pseudo-random numbers
jrand48 (3p)         - generate a uniformly distributed pseudo-random long si...
jrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
lcong48 (3)          - generate uniformly distributed pseudo-random numbers
lcong48 (3p)         - seed a uniformly distributed pseudo-random signed long...
lcong48_r (3)        - generate uniformly distributed pseudo-random numbers r...
lrand48 (3)          - generate uniformly distributed pseudo-random numbers
lrand48 (3p)         - generate uniformly distributed pseudo-random non-negat...
lrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
mrand48 (3)          - generate uniformly distributed pseudo-random numbers
mrand48 (3p)         - generate uniformly distributed pseudo-random signed lo...
mrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
nrand48 (3)          - generate uniformly distributed pseudo-random numbers
nrand48 (3p)         - generate uniformly distributed pseudo-random non-negat...
nrand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
openssl-rand (1ssl)  - generate pseudo-random bytes
pwmake (1)           - simple tool for generating random relatively easily pr...
rand (3)             - pseudo-random number generator
rand (3p)            - pseudo-random number generator
RAND_add (3ssl)      - add randomness to the PRNG or get its status
RAND_bytes (3ssl)    - generate random data
RAND_cleanup (3ssl)  - erase the PRNG state
RAND_DRBG (7ssl)     - the deterministic random bit generator
RAND_DRBG_bytes (3ssl) - generate random bytes using the given drbg instance
RAND_DRBG_cleanup_entropy_fn (3ssl) - set callbacks for reseeding
RAND_DRBG_cleanup_nonce_fn (3ssl) - set callbacks for reseeding
RAND_DRBG_free (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_generate (3ssl) - generate random bytes using the given drbg instance
RAND_DRBG_get0_master (3ssl) - get access to the global RAND_DRBG instances
RAND_DRBG_get0_private (3ssl) - get access to the global RAND_DRBG instances
RAND_DRBG_get0_public (3ssl) - get access to the global RAND_DRBG instances
RAND_DRBG_get_entropy_fn (3ssl) - set callbacks for reseeding
RAND_DRBG_get_ex_data (3ssl) - store and retrieve extra data from the DRBG in...
RAND_DRBG_get_ex_new_index (3ssl) - store and retrieve extra data from the DR...
RAND_DRBG_get_nonce_fn (3ssl) - set callbacks for reseeding
RAND_DRBG_instantiate (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_new (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_reseed (3ssl) - reseed a RAND_DRBG instance
RAND_DRBG_secure_new (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_set (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_set_callbacks (3ssl) - set callbacks for reseeding
RAND_DRBG_set_defaults (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_DRBG_set_ex_data (3ssl) - store and retrieve extra data from the DRBG in...
RAND_DRBG_set_reseed_defaults (3ssl) - reseed a RAND_DRBG instance
RAND_DRBG_set_reseed_interval (3ssl) - reseed a RAND_DRBG instance
RAND_DRBG_set_reseed_time_interval (3ssl) - reseed a RAND_DRBG instance
RAND_DRBG_uninstantiate (3ssl) - initialize and cleanup a RAND_DRBG instance
RAND_egd (3ssl)      - query entropy gathering daemon
RAND_egd_bytes (3ssl) - query entropy gathering daemon
RAND_event (3ssl)    - add randomness to the PRNG or get its status
RAND_file_name (3ssl) - PRNG seed file
RAND_get_rand_method (3ssl) - select RAND method
RAND_keep_random_devices_open (3ssl) - add randomness to the PRNG or get its ...
RAND_load_file (3ssl) - PRNG seed file
RAND_OpenSSL (3ssl)  - select RAND method
RAND_poll (3ssl)     - add randomness to the PRNG or get its status
RAND_priv_bytes (3ssl) - generate random data
RAND_pseudo_bytes (3ssl) - generate random data
RAND_query_egd_bytes (3ssl) - query entropy gathering daemon
rand_r (3)           - pseudo-random number generator
RAND_screen (3ssl)   - add randomness to the PRNG or get its status
RAND_seed (3ssl)     - add randomness to the PRNG or get its status
RAND_set_rand_method (3ssl) - select RAND method
RAND_status (3ssl)   - add randomness to the PRNG or get its status
RAND_write_file (3ssl) - PRNG seed file
random (3)           - random number generator
random (3p)          - generate pseudo-random number
random (4)           - kernel random number source devices
random (7)           - overview of interfaces for obtaining randomness
random_r (3)         - reentrant random number generator
seed48 (3)           - generate uniformly distributed pseudo-random numbers
seed48 (3p)          - seed a uniformly distributed pseudo-random non-negativ...
seed48_r (3)         - generate uniformly distributed pseudo-random numbers r...
setstate (3)         - random number generator
setstate (3p)        - switch pseudo-random number generator state arrays
setstate_r (3)       - reentrant random number generator
shuf (1)             - generate random permutations
srand (3)            - pseudo-random number generator
srand (3p)           - pseudo-random number generator
srand48 (3)          - generate uniformly distributed pseudo-random numbers
srand48 (3p)         - seed the uniformly distributed double-precision pseudo...
srand48_r (3)        - generate uniformly distributed pseudo-random numbers r...
srandom (3)          - random number generator
srandom (3p)         - seed pseudo-random number generator
srandom_r (3)        - reentrant random number generator
SSL_client_hello_get0_random (3ssl) - callback functions for early server-sid...
SSL_get_client_random (3ssl) - get internal TLS/SSL random values and get/set...
SSL_get_server_random (3ssl) - get internal TLS/SSL random values and get/set...
SSL_SESSION_get_master_key (3ssl) - get internal TLS/SSL random values and ge...
SSL_SESSION_set1_master_key (3ssl) - get internal TLS/SSL random values and g...
sslrand (1ssl)       - generate pseudo-random bytes
strfry (3)           - randomize a string
systemd-random-seed (8) - Load and save the system random seed at boot and sh...
systemd-random-seed.service (8) - Load and save the system random seed at boo...
tc-red (8)           - Random Early Detection
urandom (4)          - kernel random number source devices
xrandr (1)           - primitive command line interface to RandR extension