Client Runtime > Elixir Standard Library > System

System

Browse all functions in the System Elixir standard library module to see which are available in Hologram's client runtime.
Quickly scan implementation status, progress percentages, and Erlang dependency counts at a glance.

Progress: 80% (53 functions)

done 13 functions

in progress 0 functions

todo 0 functions

deferred 40 functions

Functions

System.argv/0 deferred

0% progress 1 Erlang deps

System.argv/1 deferred

0% progress 1 Erlang deps

System.at_exit/1 deferred

50% progress 2 Erlang deps

System.build_info/0 deferred

85% progress 115 Erlang deps

System.cmd/2 deferred

83% progress 125 Erlang deps

System.cmd/3 deferred

83% progress 125 Erlang deps

System.compiled_endianness/0 done

100% progress 0 Erlang deps

System.convert_time_unit/3 deferred

85% progress 113 Erlang deps

System.cwd/0 deferred

84% progress 113 Erlang deps

System.cwd!/0 deferred

84% progress 113 Erlang deps

System.delete_env/1 deferred

84% progress 112 Erlang deps

System.endianness/0 done

100% progress 1 Erlang deps

System.fetch_env/1 deferred

84% progress 112 Erlang deps

System.fetch_env!/1 deferred

84% progress 112 Erlang deps

System.find_executable/1 deferred

84% progress 113 Erlang deps

System.get_env/0 deferred

84% progress 116 Erlang deps

System.get_env/1 deferred

84% progress 112 Erlang deps

System.get_env/2 deferred

84% progress 112 Erlang deps

System.get_pid/0 deferred

67% progress 3 Erlang deps

System.halt/0 deferred

84% progress 112 Erlang deps

System.halt/1 deferred

84% progress 112 Erlang deps

System.monotonic_time/0 done

100% progress 1 Erlang deps

System.monotonic_time/1 deferred

85% progress 115 Erlang deps

System.no_halt/0 deferred

0% progress 1 Erlang deps

System.no_halt/1 deferred

50% progress 2 Erlang deps

System.os_time/0 done

100% progress 1 Erlang deps

System.os_time/1 deferred

85% progress 115 Erlang deps

System.otp_release/0 done

100% progress 2 Erlang deps

System.pid/0 deferred

84% progress 112 Erlang deps

System.put_env/1 deferred

84% progress 120 Erlang deps

System.put_env/2 deferred

84% progress 113 Erlang deps

System.restart/0 deferred

0% progress 1 Erlang deps

System.schedulers/0 done

100% progress 1 Erlang deps

System.schedulers_online/0 done

100% progress 1 Erlang deps

System.shell/1 deferred

83% progress 126 Erlang deps

System.shell/2 deferred

83% progress 126 Erlang deps

System.stacktrace/0 done

100% progress 0 Erlang deps

System.stop/0 deferred

83% progress 113 Erlang deps

System.stop/1 deferred

83% progress 113 Erlang deps

System.system_time/0 done

100% progress 2 Erlang deps

System.system_time/1 deferred

85% progress 116 Erlang deps

System.time_offset/0 done

100% progress 3 Erlang deps

System.time_offset/1 deferred

85% progress 117 Erlang deps

System.tmp_dir/0 deferred

83% progress 115 Erlang deps

System.tmp_dir!/0 deferred

83% progress 115 Erlang deps

System.trap_signal/2 deferred

82% progress 115 Erlang deps

System.trap_signal/3 deferred

82% progress 115 Erlang deps

System.unique_integer/0 done

100% progress 2 Erlang deps

System.unique_integer/1 done

100% progress 2 Erlang deps

System.untrap_signal/2 deferred

82% progress 114 Erlang deps

System.user_home/0 deferred

83% progress 6 Erlang deps

System.user_home!/0 deferred

84% progress 114 Erlang deps

System.version/0 done

100% progress 0 Erlang deps

Function	Progress	Status	Deps
System.argv/0	0%	deferred	1
System.argv/1	0%	deferred	1
System.at_exit/1	50%	deferred	2
System.build_info/0	85%	deferred	115
System.cmd/2	83%	deferred	125
System.cmd/3	83%	deferred	125
System.compiled_endianness/0	100%	done	0
System.convert_time_unit/3	85%	deferred	113
System.cwd/0	84%	deferred	113
System.cwd!/0	84%	deferred	113
System.delete_env/1	84%	deferred	112
System.endianness/0	100%	done	1
System.fetch_env/1	84%	deferred	112
System.fetch_env!/1	84%	deferred	112
System.find_executable/1	84%	deferred	113
System.get_env/0	84%	deferred	116
System.get_env/1	84%	deferred	112
System.get_env/2	84%	deferred	112
System.get_pid/0	67%	deferred	3
System.halt/0	84%	deferred	112
System.halt/1	84%	deferred	112
System.monotonic_time/0	100%	done	1
System.monotonic_time/1	85%	deferred	115
System.no_halt/0	0%	deferred	1
System.no_halt/1	50%	deferred	2
System.os_time/0	100%	done	1
System.os_time/1	85%	deferred	115
System.otp_release/0	100%	done	2
System.pid/0	84%	deferred	112
System.put_env/1	84%	deferred	120
System.put_env/2	84%	deferred	113
System.restart/0	0%	deferred	1
System.schedulers/0	100%	done	1
System.schedulers_online/0	100%	done	1
System.shell/1	83%	deferred	126
System.shell/2	83%	deferred	126
System.stacktrace/0	100%	done	0
System.stop/0	83%	deferred	113
System.stop/1	83%	deferred	113
System.system_time/0	100%	done	2
System.system_time/1	85%	deferred	116
System.time_offset/0	100%	done	3
System.time_offset/1	85%	deferred	117
System.tmp_dir/0	83%	deferred	115
System.tmp_dir!/0	83%	deferred	115
System.trap_signal/2	82%	deferred	115
System.trap_signal/3	82%	deferred	115
System.unique_integer/0	100%	done	2
System.unique_integer/1	100%	done	2
System.untrap_signal/2	82%	deferred	114
System.user_home/0	83%	deferred	6
System.user_home!/0	84%	deferred	114
System.version/0	100%	done	0