Number of Syscalls
ID dash yash ash mksh bash-5 bash-4 zsh ysh osh Description
01 40 49 64 59 144 156 194 4585 5713 echo hi
02 90 100 114 117 207 232 250 4648 4633 date
03 90 100 114 131 207 232 250 4648 4633 date ;
04 98 116 123 132 269 292 281 4646 4646 trap 'echo mytrap' EXIT; date
05 98 112 123 132 233 256 278 4652 4652 date; echo hi
06 91 104 115 132 209 256 254 4652 4637 echo hi; date
07 132 149 158 189 268 313 318 4698 4683 date; date
08 132 149 158 189 292 313 319 4700 4685 { date; date; }
09 132 149 158 189 292 313 319 4700 4685 date; { date; }
10 149 171 175 198 310 331 373 4712 4712 . _tmp/sourced.sh
11 40 50 64 73 174 184 203 4585 4585 (echo hi)
12 90 101 114 133 239 262 256 4648 4633 (date)
13 90 102 114 133 247 270 262 4650 4635 ( ( date ) )
14 98 114 123 134 249 272 290 4646 4646 ( ( date ) ); echo hi
15 91 105 115 134 241 264 260 4652 4637 echo hi; (date)
16 91 105 115 134 241 264 260 4652 4637 echo hi; (date;)
17 41 53 65 74 175 185 207 4602 4588 echo hi; (echo hi;)
18 92 108 116 147 242 285 264 4647 4632 echo hi; (echo hi; date)
19 48 62 73 74 176 186 231 4597 4597 ( echo hi ); echo hi
20 96 105 118 139 234 257 256 4653 4636 date > /tmp/redir.txt
21 93 119 117 141 242 265 259 4653 4636 (date;) > /tmp/sentence.txt
22 163 167 187 231 321 355 363 4723 4704 date 2> /tmp/stderr.txt | wc -l
23 48 57 70 66 154 166 201 4590 4590 echo hi > /tmp/redir.txt
24 43 60 67 81 177 187 205 4604 4590 (echo hi;) > /tmp/sentence.txt
25 115 119 139 174 264 285 312 4676 4657 echo hi 2> /tmp/stderr.txt | wc -l
26 98 113 123 146 262 284 287 4652 4652 (date; echo hi)
27 106 124 131 154 250 292 293 4659 4659 echo $(date)
28 55 73 81 93 185 194 237 4610 4610 echo $(echo hi)
29 106 125 131 154 279 300 299 4659 4659 echo $( ( date ) )
30 114 138 140 169 282 303 328 4670 4670 echo $( ( date ); echo hi )
31 48 62 73 74 176 186 231 4597 4597 ( echo hi ); echo done
32 157 162 183 226 318 352 360 4722 4703 date | wc -l
33 157 178 183 227 318 352 360 4587 4722 ! date | wc -l
34 107 112 133 167 261 282 310 4673 4654 echo a | wc -l
35 107 112 133 167 261 282 353 4667 4648 command echo a | wc -l
36 157 170 183 226 318 380 360 4716 4697 command date | wc -l
37 157 186 183 226 318 380 360 4581 4716 ! command date | wc -l
38 157 162 183 226 326 360 367 4722 4703 ( date ) | wc -l
39 140 171 195 200 298 318 319 4692 4692 date | read x
40 108 115 134 168 262 283 289 4668 4649 { echo a; echo b; } | wc -l
41 110 132 135 169 264 285 320 4670 4670 { echo a; echo b; } | wc -l; echo done
42 159 167 185 241 350 383 344 4718 4700 { echo a; date; } | wc -l
43 108 115 134 168 262 283 317 4668 4649 ( echo a; echo b ) | wc -l
44 108 116 134 168 272 293 324 4668 4649 ( echo a; echo b ) | ( wc -l )
45 109 120 135 183 302 322 305 4669 4650 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 66 78 82 201 210 233 4602 4602 echo hi & wait
47 104 117 128 142 258 280 283 4649 4649 date & wait
48 117 137 139 178 287 307 325 4664 4664 echo hi | wc -l & wait
49 167 188 189 237 344 377 374 4719 4719 date | wc -l & wait
50 105 125 129 143 296 318 290 4647 4647 trap 'echo mytrap' EXIT; date & wait
51 172 195 190 238 398 431 381 4715 4715 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 133 136 153 326 346 318 4659 4659 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5490 6240 6800 8061 13481 14764 15232 242142 243086