Samba, 456 – 457 , 460 – 461shebang line (#!), 258 – 259
SHELL environment variable, 198
shells. See also command line; names of specific shells
background processes, 254 – 255
changing, 257 , 258 – 259
command line, 251 – 252
documentation, 250
list of, 250
pattern matching, 252 – 253
pipes, 254
redirection, 253 – 254
resources for information, 287
running scripts, 256 – 257
storing scripts, 257
writing scripts
accessing variable values, 260
assigning variable values, 259 – 260
break statements, 286
built-in variables, 264
case statements, 284 – 286
command aliases, 255 – 256
comparison of expressions in pdksh and bash, 267 – 272
comparison of expressions in tcsh, 273 – 277
endless loops, 278 – 279
exit statements, 286
expr statements, 283 – 284
for statements, 277 – 278
functions, 286 – 287