00583nam a2200193Ia 450000500170000000800410001702000180005804000180007604100080009408200210010210000190012324500720014225000120021426000460022630000280027265000210030065000410032165000270036220230805101548.0210716s2008    xx            000 0 und d  a9788126516872  cAIMIT LIBRARY  aeng  a005.44 21bBLUR  aBlum, Richard.  aLinux :bcommand line and shell scripting bible /cBy Richard Blum.  a1st ed.  aNew Delhi :bWiley India Pvt Ltd ,c2008.  axxx,809 p.;bPBc24 cm.  aBasic bash shell  aUnderstanding linux file permissions  aShell scripting basics