Modules

Directory name (with optional path) on a Unix system
File name (with optional path) on a Unix system
Group identifier (GID)
Group identifier (GID) that has to exist on the system
Unix group name that must exist on the system
User identifier (UID) that has to exist (has associated username) on the system
Unix user name that must exist on the system
Path name (filename or dirname) on a Unix system
Process identifier (PID)
Unix signal name (e.g. TERM or KILL) or number (9 or 15)
User identifier (UID)
Unix account name
Directory name (with optional path) on a Unix system
File name (with optional path) on a Unix system
Group identifier (GID)
Group identifier (GID) that has to exist on the system
Unix group name that must exist on the system
User identifier (UID) that has to exist (has associated username) on the system
Unix user name that must exist on the system
Path name (filename or dirname) on a Unix system
Process identifier (PID)
Unix signal name (e.g. TERM or KILL) or number (9 or 15)
User identifier (UID)
Unix account name
Various Sah schemas for Unix