.Dd November 9, 2022
.Dt PROFILE 5
.Os
.Sh NAME
.Nm profile
.Nd login shell startup
.Sh SYNOPSIS
.Nm ~/.profile
.Nm /etc/profile
.Nm /etc/default/profile
.Sh DESCRIPTION
Interactive login shell sessions in
.Xr sh 1
execute the commands in the
.Nm
script upon startup, searching for the user's script at
.Pa ~/.profile ,
any system administrator provided script at
.Pa /etc/profile ,
or any operating system provided script at
.Pa /etc/default/profile ,
whichever exists first.
.Pp
The
.Xr shrc 5
script is run instead in interactive non-login shell sessions.
.Sh FILES
.Bl -tag -width "/etc/default/profile" -compact
.It Pa ~/.profile
The user's
.Nm
script.
.It Pa /etc/profile
The system administor provided
.Nm
script.
.It Pa /etc/default/profile
The operating system provided
.Nm
script.
.El
.Sh EXAMPLES
To portably run the
.Xr shrc 5
script upon startup of non-login interactive shells in all shells:
.Bd -literal -offset indent
export ENV="$HOME/.shrc"
.Ed
.Sh SEE ALSO
.Xr dash 1 ,
.Xr sh 1 ,
.Xr shrc 5
.Sh BUGS
.Xr sh 1
is currently primitive and cannot execute most scripts.
Beware of sharing the
.Nm
script between it and other shells such as
.Xr dash 1 .