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: 67% (53 functions)

done 9 functions

in progress 0 functions

todo 0 functions

deferred 44 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

75% progress 99 Erlang deps

System.cmd/2 deferred

75% progress 103 Erlang deps

System.cmd/3 deferred

75% progress 103 Erlang deps

System.compiled_endianness/0 done

100% progress 0 Erlang deps

System.convert_time_unit/3 deferred

75% progress 91 Erlang deps

System.cwd/0 deferred

74% progress 93 Erlang deps

System.cwd!/0 deferred

73% progress 94 Erlang deps

System.delete_env/1 deferred

74% progress 93 Erlang deps

System.endianness/0 deferred

0% progress 1 Erlang deps

System.fetch_env/1 deferred

74% progress 93 Erlang deps

System.fetch_env!/1 deferred

74% progress 93 Erlang deps

System.find_executable/1 deferred

74% progress 94 Erlang deps

System.get_env/0 deferred

75% progress 96 Erlang deps

System.get_env/1 deferred

74% progress 93 Erlang deps

System.get_env/2 deferred

74% progress 93 Erlang deps

System.get_pid/0 deferred

50% progress 2 Erlang deps

System.halt/0 deferred

74% progress 93 Erlang deps

System.halt/1 deferred

74% progress 93 Erlang deps

System.monotonic_time/0 done

100% progress 1 Erlang deps

System.monotonic_time/1 deferred

75% progress 92 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

75% progress 92 Erlang deps

System.otp_release/0 deferred

50% progress 2 Erlang deps

System.pid/0 deferred

74% progress 92 Erlang deps

System.put_env/1 deferred

75% progress 99 Erlang deps

System.put_env/2 deferred

74% progress 94 Erlang deps

System.restart/0 deferred

0% progress 1 Erlang deps

System.schedulers/0 deferred

0% progress 1 Erlang deps

System.schedulers_online/0 deferred

0% progress 1 Erlang deps

System.shell/1 deferred

74% progress 104 Erlang deps

System.shell/2 deferred

74% progress 104 Erlang deps

System.stacktrace/0 done

100% progress 0 Erlang deps

System.stop/0 deferred

73% progress 94 Erlang deps

System.stop/1 deferred

73% progress 94 Erlang deps

System.system_time/0 done

100% progress 1 Erlang deps

System.system_time/1 deferred

75% progress 92 Erlang deps

System.time_offset/0 done

100% progress 1 Erlang deps

System.time_offset/1 deferred

75% progress 92 Erlang deps

System.tmp_dir/0 deferred

73% progress 95 Erlang deps

System.tmp_dir!/0 deferred

72% progress 96 Erlang deps

System.trap_signal/2 deferred

72% progress 95 Erlang deps

System.trap_signal/3 deferred

72% progress 95 Erlang deps

System.unique_integer/0 done

100% progress 1 Erlang deps

System.unique_integer/1 done

100% progress 1 Erlang deps

System.untrap_signal/2 deferred

72% progress 94 Erlang deps

System.user_home/0 deferred

67% progress 3 Erlang deps

System.user_home!/0 deferred

74% progress 95 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	75%	deferred	99
System.cmd/2	75%	deferred	103
System.cmd/3	75%	deferred	103
System.compiled_endianness/0	100%	done	0
System.convert_time_unit/3	75%	deferred	91
System.cwd/0	74%	deferred	93
System.cwd!/0	73%	deferred	94
System.delete_env/1	74%	deferred	93
System.endianness/0	0%	deferred	1
System.fetch_env/1	74%	deferred	93
System.fetch_env!/1	74%	deferred	93
System.find_executable/1	74%	deferred	94
System.get_env/0	75%	deferred	96
System.get_env/1	74%	deferred	93
System.get_env/2	74%	deferred	93
System.get_pid/0	50%	deferred	2
System.halt/0	74%	deferred	93
System.halt/1	74%	deferred	93
System.monotonic_time/0	100%	done	1
System.monotonic_time/1	75%	deferred	92
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	75%	deferred	92
System.otp_release/0	50%	deferred	2
System.pid/0	74%	deferred	92
System.put_env/1	75%	deferred	99
System.put_env/2	74%	deferred	94
System.restart/0	0%	deferred	1
System.schedulers/0	0%	deferred	1
System.schedulers_online/0	0%	deferred	1
System.shell/1	74%	deferred	104
System.shell/2	74%	deferred	104
System.stacktrace/0	100%	done	0
System.stop/0	73%	deferred	94
System.stop/1	73%	deferred	94
System.system_time/0	100%	done	1
System.system_time/1	75%	deferred	92
System.time_offset/0	100%	done	1
System.time_offset/1	75%	deferred	92
System.tmp_dir/0	73%	deferred	95
System.tmp_dir!/0	72%	deferred	96
System.trap_signal/2	72%	deferred	95
System.trap_signal/3	72%	deferred	95
System.unique_integer/0	100%	done	1
System.unique_integer/1	100%	done	1
System.untrap_signal/2	72%	deferred	94
System.user_home/0	67%	deferred	3
System.user_home!/0	74%	deferred	95
System.version/0	100%	done	0