used.(1) - phpMan

Test2::API::Instance (3pm) - Object used by Test2::API under the hood
Test2::Hub::Interceptor (3pm) - Hub used by interceptor to grab results.
Test2::Hub::Interceptor::Terminator (3pm) - Exception class used by Test2::Hu...
Test2::Hub::Subtest (3pm) - Hub used by subtests
Test2::Util (3pm)    - Tools used by Test2 and friends.
Encode::MIME::Name (3pm) - - internally used by Encode
B::Showlex (3pm)     - Show lexical variables used in functions or files
CGI::Util (3pm)      - Internal utilities used by CGI module
crontab (5)          - files used to schedule the execution of programs
db_archive (1)       - Find unused log files for archival
dbus-update-activation-environment (1) - update environment used for D-Bus se...
deallocvt (1)        - deallocate unused virtual consoles
dirfd (3p)           - extract the file descriptor used by a DIR stream
Encode::CJKConstants (3pm) - - Internally used by Encode::??::ISO_2022_*
Encode::CN::HZ (3pm) - - internally used by Encode::CN
Encode::Config (3pm) - - internally used by Encode
Encode::JP::H2Z (3pm) - - internally used by Encode::JP::2022_JP*
Encode::JP::JIS7 (3pm) - - internally used by Encode::JP
Encode::KR::2022_KR (3pm) - - internally used by Encode::KR
ExtUtils::MM_Unix (3pm) - methods used by ExtUtils::MakeMaker
ExtUtils::ParseXS::Utilities (3pm) - Subroutines used with ExtUtils::ParseXS
free (1)             - Display amount of free and used memory in the system
fstrim (8)           - discard unused blocks on a mounted filesystem
getexeccon (3)       - get or set the SELinux security context used for execu...
getexeccon_raw (3)   - get or set the SELinux security context used for execu...
getfscreatecon (3)   - get or set the SELinux security context used for creat...
getfscreatecon_raw (3) - get or set the SELinux security context used for cre...
getkeycreatecon (3)  - get or set the SELinux security context used for creat...
getkeycreatecon_raw (3) - get or set the SELinux security context used for cr...
getsockcreatecon (3) - get or set the SELinux security context used for creat...
getsockcreatecon_raw (3) - get or set the SELinux security context used for c...
githooks (5)         - Hooks used by Git
libxml (3)           - library used to parse XML files
lvmdiskscan (8)      - List devices that may be used as physical volumes
Net::Cmd (3pm)       - Network Command class (as used by FTP, SMTP etc)
pcre2_jit_free_unused_memory (3) - Perl-compatible regular expressions (revis...
program_invocation_name (3) - obtain name used to invoke calling program
program_invocation_short_name (3) - obtain name used to invoke calling program
rpm_execcon (3)      - get or set the SELinux security context used for execu...
selabel_x (5)        - userspace SELinux labeling interface and configuration...
selinuxenabled (8)   - tool to be used within shell scripts to determine if s...
selinuxexeccon (8)   - report SELinux context used for this executable
setexeccon (3)       - get or set the SELinux security context used for execu...
setexeccon_raw (3)   - get or set the SELinux security context used for execu...
setfscreatecon (3)   - get or set the SELinux security context used for creat...
setfscreatecon_raw (3) - get or set the SELinux security context used for cre...
setfsgid (2)         - set group identity used for filesystem checks
setfsgid32 (2)       - set group identity used for filesystem checks
setfsuid (2)         - set user identity used for filesystem checks
setfsuid32 (2)       - set user identity used for filesystem checks
setkeycreatecon (3)  - get or set the SELinux security context used for creat...
setkeycreatecon_raw (3) - get or set the SELinux security context used for cr...
setsockcreatecon (3) - get or set the SELinux security context used for creat...
setsockcreatecon_raw (3) - get or set the SELinux security context used for c...
smime_keys (1)       - Utility to add S/MIME certificate to the internal data...
spamassassin (1)     - extensible email filter used to identify spam
SSL_CTX_set_session_id_context (3ssl) - set context within which session can ...
SSL_get_peer_tmp_key (3ssl) - get information about temporary keys used durin...
SSL_get_server_tmp_key (3ssl) - get information about temporary keys used dur...
SSL_get_tmp_key (3ssl) - get information about temporary keys used during a h...
SSL_SESSION_is_resumable (3ssl) - determine whether an SSL_SESSION object can...
SSL_session_reused (3ssl) - query whether a reused session was negotiated dur...
SSL_set_session (3ssl) - set a TLS/SSL session to be used during TLS/SSL connect
SSL_set_session_id_context (3ssl) - set context within which session can be r...
Time::tm (3pm)       - internal object used by Time::gmtime and Time::localtime
x_contexts (5)       - userspace SELinux labeling interface and configuration...