ENV(1) - General Commands Manual # ENV(1) - General Commands Manual
NAME # env - set and print environment
SYNOPSIS # env [-i] [name=value …] [utility [argument …]]
DESCRIPTION # env executes utility after modifying the environment as specified on the command line. The option name=value specifies an environment variable, name, with a value of value.
The options are as follows:
-i
Causes env to completely ignore the environment it inherits.
...
SCRIPT(7) - Miscellaneous Information Manual # SCRIPT(7) - Miscellaneous Information Manual
NAME # script - interpreter script execution
DESCRIPTION # The system is capable of treating a text file containing commands intended for an interpreter, such as sh(1) or awk(1), as an executable program.
An “interpreter script” is a file which has been set executable (see chmod(2)) and which has a first line of the form:
#! pathname [argument]
...
XARGS(1) - General Commands Manual # XARGS(1) - General Commands Manual
NAME # xargs - construct argument list(s) and execute utility
SYNOPSIS # xargs [-0oprt] [-E eofstr] [-I replstr [-R replacements]] [-J replstr] [-L number] [-n number [-x]] [-P maxprocs] [-s size] [utility [argument …]]
DESCRIPTION # The xargs utility reads space, tab, newline, and end-of-file delimited strings from the standard input and executes the specified utility with the strings as arguments.
...