if statements, 282 – 283
positional parameters, 260 – 262
repeat statements, 281
scheduling tasks, 262 – 264
select statements, 281 – 282
shift statements, 282
special characters, 264 – 267
until statements, 280 – 281
variable types, 259
while statements, 278 – 280shift statements, 282
shortcuts, 214
Shotwell Photo Manager, 76 , 80
shred command, 173
shutdown command, 11 – 12 , 155 – 157
shutting down, 11 – 12 , 155 – 156
simple backup strategy, 326 – 327
Simple Mail Transfer Protocol (SMTP), 587 – 588
Simple Scan, 77
single quotes (‘) in shell scripts, 266 – 267
slapd, 625
Slashdot Effect, 421
smart hosts, 594 – 595
SMB (Server Message Block). See Samba
smbclient command, 458
smbd daemon, 457 – 458
smbmount command, 459
smbstatus command, 458
SMTP (Simple Mail Transfer Protocol), 587 – 588