a2dismod, 484
a2enmod, 484
ac, 228 , 241
accept, 463
adduser, 154 – 155 , 225
adsl-start, 387
adsl-stop, 388
aliases, writing scripts for, 255 – 256
apache2, 472 , 473 – 474
in apache2ctl, 473
in AppArmor, 411 – 412
apply-patch, 664
apropros, 130 , 177
apt, 118
apt-cache, 117 – 118
apt-get, 114 – 117 , 118
ark, 333 – 334
at, 243 – 246
atrm, 245
autoconf, 647 – 648
autofs, 452
awk, 205 – 207
as background processes, 189 – 190
badblocks, 420
batch, 245 – 246
bch, 664
bg, 190 – 191
in /bin and /sbin directories, 132
BIOS file system tuning options, 417