Number of Syscalls
ID dash ash mksh bash-5 bash-4 zsh ysh osh Description
01 40 64 59 144 156 197 4577 4577 echo hi
02 97 122 131 231 254 277 4640 4640 date
03 42 66 59 145 157 192 4577 4577 date ;
04 98 123 132 269 292 284 4642 4642 trap 'echo mytrap' EXIT; date
05 98 123 132 233 256 281 4642 4642 date; echo hi
06 98 123 132 233 256 281 4642 4642 echo hi; date
07 139 166 189 292 313 345 4690 4690 date; date
08 139 166 189 292 313 346 4690 4690 { date; date; }
09 139 166 189 292 313 346 4690 4690 date; { date; }
10 149 175 198 310 331 376 4702 4702 . _tmp/sourced.sh
11 47 72 73 174 184 230 4591 4591 (echo hi)
12 97 122 133 239 262 283 4640 4640 (date)
13 97 122 133 247 270 289 4640 4640 ( ( date ) )
14 98 123 134 249 272 293 4642 4642 ( ( date ) ); echo hi
15 98 123 134 241 264 287 4642 4642 echo hi; (date)
16 98 123 134 241 264 287 4642 4642 echo hi; (date;)
17 48 73 74 175 185 234 4592 4592 echo hi; (echo hi;)
18 99 124 147 242 285 291 4643 4643 echo hi; (echo hi; date)
19 48 73 74 176 186 234 4593 4593 ( echo hi ); echo hi
20 105 128 139 234 257 280 4649 4649 date > /tmp/redir.txt
21 100 125 141 242 265 286 4649 4649 (date;) > /tmp/sentence.txt
22 164 187 232 321 355 366 4719 4719 date 2> /tmp/stderr.txt | wc -l
23 48 70 66 154 166 204 4586 4586 echo hi > /tmp/redir.txt
24 50 75 81 177 187 232 4600 4600 (echo hi;) > /tmp/sentence.txt
25 116 139 174 264 285 315 4672 4672 echo hi 2> /tmp/stderr.txt | wc -l
26 105 130 146 262 284 314 4656 4656 (date; echo hi)
27 106 131 154 250 292 296 4649 4649 echo $(date)
28 55 81 93 185 194 240 4600 4600 echo $(echo hi)
29 106 131 154 279 300 302 4649 4649 echo $( ( date ) )
30 114 140 169 282 303 331 4666 4666 echo $( ( date ); echo hi )
31 48 73 74 176 186 234 4593 4593 ( echo hi ); echo done
32 158 183 226 318 352 363 4712 4712 date | wc -l
33 158 183 226 318 352 363 4577 4712 ! date | wc -l
34 108 133 167 261 282 313 4663 4663 echo a | wc -l
35 108 133 167 261 282 356 4663 4663 command echo a | wc -l
36 158 183 226 318 380 363 4712 4712 command date | wc -l
37 158 183 227 318 380 363 4577 4712 ! command date | wc -l
38 158 183 227 326 360 370 4712 4712 ( date ) | wc -l
39 141 195 200 298 318 322 4682 4682 date | read x
40 109 134 168 262 283 319 4664 4664 { echo a; echo b; } | wc -l
41 110 135 169 264 285 323 4666 4666 { echo a; echo b; } | wc -l; echo done
42 160 185 241 350 383 377 4714 4715 { echo a; date; } | wc -l
43 109 134 168 262 283 320 4664 4664 ( echo a; echo b ) | wc -l
44 109 134 168 272 293 327 4664 4664 ( echo a; echo b ) | ( wc -l )
45 110 135 183 302 322 338 4665 4665 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 78 82 201 210 238 4592 4592 echo hi & wait
47 104 128 142 258 280 288 4641 4641 date & wait
48 117 139 178 287 307 330 4660 4660 echo hi | wc -l & wait
49 171 189 238 344 377 379 4709 4709 date | wc -l & wait
50 105 129 143 296 318 293 4643 4643 trap 'echo mytrap' EXIT; date & wait
51 168 194 238 398 431 384 4711 4711 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 136 153 326 346 323 4655 4655 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5571 6885 8006 13491 14711 15805 241751 242022