TY  - RPRT
TI  - Federal Information Processing Standards Publication: portable operating system interface (POSIX) - part 2: shell and utilities 
PY  - 1994
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST FIPS 189
DO  - 10.6028/NIST.FIPS.189
ER  -