Number of Syscalls
ID dash ash mksh bash-5 bash-4 zsh ysh osh Description
01 40 64 59 144 156 197 4580 4580 echo hi
02 97 122 131 231 254 277 4646 4646 date
03 42 66 59 145 157 192 4580 4580 date ;
04 98 123 132 269 292 284 4648 4648 trap 'echo mytrap' EXIT; date
05 98 123 132 233 256 281 4648 4648 date; echo hi
06 98 123 132 233 256 281 4648 4648 echo hi; date
07 139 166 189 292 313 345 4699 4699 date; date
08 139 166 189 292 313 346 4699 4699 { date; date; }
09 139 166 189 292 313 346 4699 4699 date; { date; }
10 149 175 198 310 331 376 4711 4711 . _tmp/sourced.sh
11 47 72 73 174 184 230 4597 4597 (echo hi)
12 97 122 133 239 262 283 4646 4646 (date)
13 97 122 133 247 270 289 4646 4646 ( ( date ) )
14 98 123 134 249 272 293 4648 4648 ( ( date ) ); echo hi
15 98 123 134 241 264 287 4648 4648 echo hi; (date)
16 98 123 134 241 264 287 4648 4648 echo hi; (date;)
17 48 73 74 175 185 234 4598 4598 echo hi; (echo hi;)
18 99 124 147 242 285 291 4649 4649 echo hi; (echo hi; date)
19 48 73 74 176 186 234 4599 4599 ( echo hi ); echo hi
20 105 128 139 234 257 280 4655 4655 date > /tmp/redir.txt
21 100 125 141 242 265 286 4655 4655 (date;) > /tmp/sentence.txt
22 164 187 231 321 355 366 4728 4728 date 2> /tmp/stderr.txt | wc -l
23 48 70 66 154 166 204 4589 4589 echo hi > /tmp/redir.txt
24 50 75 81 177 187 232 4606 4606 (echo hi;) > /tmp/sentence.txt
25 116 139 174 264 285 315 4681 4681 echo hi 2> /tmp/stderr.txt | wc -l
26 105 130 146 262 284 314 4665 4665 (date; echo hi)
27 106 131 154 250 292 296 4653 4653 echo $(date)
28 55 81 93 185 194 240 4604 4604 echo $(echo hi)
29 106 131 154 279 300 302 4653 4653 echo $( ( date ) )
30 114 140 169 282 303 331 4673 4673 echo $( ( date ); echo hi )
31 48 73 74 176 186 234 4599 4599 ( echo hi ); echo done
32 158 183 226 318 352 363 4721 4721 date | wc -l
33 158 183 226 318 352 363 4580 4721 ! date | wc -l
34 108 133 167 261 282 313 4672 4672 echo a | wc -l
35 108 133 167 261 282 356 4672 4673 command echo a | wc -l
36 158 183 226 318 380 363 4721 4721 command date | wc -l
37 158 183 226 318 380 363 4580 4721 ! command date | wc -l
38 158 183 226 326 360 370 4721 4721 ( date ) | wc -l
39 141 195 200 298 318 322 4689 4689 date | read x
40 109 134 168 262 283 319 4673 4673 { echo a; echo b; } | wc -l
41 110 135 169 264 285 323 4675 4675 { echo a; echo b; } | wc -l; echo done
42 160 185 241 350 383 377 4723 4724 { echo a; date; } | wc -l
43 109 134 168 262 283 320 4673 4673 ( echo a; echo b ) | wc -l
44 109 134 168 272 293 327 4673 4673 ( echo a; echo b ) | ( wc -l )
45 110 135 183 302 322 338 4674 4674 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 78 82 201 210 238 4596 4596 echo hi & wait
47 104 128 142 258 280 288 4645 4645 date & wait
48 117 139 178 287 307 330 4664 4664 echo hi | wc -l & wait
49 167 189 237 344 377 379 4713 4713 date | wc -l & wait
50 105 129 143 296 318 293 4647 4647 trap 'echo mytrap' EXIT; date & wait
51 168 194 238 398 431 384 4715 4715 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 136 153 326 346 323 4662 4662 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5567 6885 8002 13491 14711 15805 242087 242371