Number of Syscalls
ID dash ash mksh bash-5 bash-4 zsh ysh osh Description
01 40 64 59 144 156 197 4578 4578 echo hi
02 97 122 131 231 254 277 4641 4641 date
03 42 66 59 145 157 192 4578 4578 date ;
04 98 123 132 269 292 284 4643 4643 trap 'echo mytrap' EXIT; date
05 98 123 132 233 256 281 4643 4643 date; echo hi
06 98 123 132 233 256 281 4643 4643 echo hi; date
07 139 166 189 292 313 345 4691 4691 date; date
08 139 166 189 292 313 346 4691 4691 { date; date; }
09 139 166 189 292 313 346 4691 4691 date; { date; }
10 149 175 198 310 331 376 4703 4703 . _tmp/sourced.sh
11 47 72 73 174 184 230 4592 4592 (echo hi)
12 97 122 133 239 262 283 4641 4641 (date)
13 97 122 133 247 270 289 4641 4641 ( ( date ) )
14 98 123 134 249 272 293 4645 4645 ( ( date ) ); echo hi
15 98 123 134 241 264 287 4643 4643 echo hi; (date)
16 98 123 134 241 264 287 4643 4643 echo hi; (date;)
17 48 73 74 175 185 234 4593 4593 echo hi; (echo hi;)
18 99 124 147 242 285 291 4646 4646 echo hi; (echo hi; date)
19 48 73 74 176 186 234 4596 4596 ( echo hi ); echo hi
20 105 128 139 234 257 280 4652 4652 date > /tmp/redir.txt
21 100 125 141 242 265 286 4652 4652 (date;) > /tmp/sentence.txt
22 164 187 231 321 355 366 4720 4720 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 4601 4601 (echo hi;) > /tmp/sentence.txt
25 116 139 174 264 285 315 4673 4673 echo hi 2> /tmp/stderr.txt | wc -l
26 105 130 146 262 284 314 4657 4657 (date; echo hi)
27 106 131 154 250 292 296 4650 4650 echo $(date)
28 55 81 93 185 194 240 4601 4601 echo $(echo hi)
29 106 131 154 279 300 302 4650 4650 echo $( ( date ) )
30 114 140 169 282 303 331 4669 4669 echo $( ( date ); echo hi )
31 48 73 74 176 186 234 4596 4596 ( echo hi ); echo done
32 158 183 226 318 352 363 4713 4713 date | wc -l
33 158 183 226 318 352 363 4578 4713 ! date | wc -l
34 108 133 167 261 282 313 4664 4664 echo a | wc -l
35 108 133 167 261 282 356 4666 4666 command echo a | wc -l
36 158 183 226 318 380 363 4715 4715 command date | wc -l
37 158 183 226 318 380 363 4580 4715 ! command date | wc -l
38 158 183 227 326 360 369 4713 4713 ( date ) | wc -l
39 141 195 200 298 318 322 4683 4683 date | read x
40 109 134 168 262 283 319 4667 4667 { echo a; echo b; } | wc -l
41 110 135 169 264 285 323 4667 4667 { echo a; echo b; } | wc -l; echo done
42 160 185 241 350 383 376 4717 4718 { echo a; date; } | wc -l
43 109 134 168 262 283 320 4667 4667 ( echo a; echo b ) | wc -l
44 109 134 168 272 293 327 4665 4665 ( echo a; echo b ) | ( wc -l )
45 110 135 183 302 322 338 4666 4666 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 78 82 201 210 238 4593 4593 echo hi & wait
47 104 128 142 258 280 288 4642 4642 date & wait
48 117 139 178 287 307 330 4663 4663 echo hi | wc -l & wait
49 167 189 237 344 377 379 4710 4710 date | wc -l & wait
50 105 129 143 296 318 293 4644 4644 trap 'echo mytrap' EXIT; date & wait
51 168 194 238 398 431 384 4712 4712 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 136 153 326 346 323 4656 4656 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5567 6885 8003 13491 14711 15803 241833 242104