Number of Syscalls
ID dash yash ash mksh bash-5 bash-4 zsh osh ysh Description
01 40 49 64 59 144 156 194 4824 4825 echo hi
02 90 100 114 117 207 232 250 4872 4888 date
03 90 100 114 131 207 232 250 4872 4888 date ;
04 98 116 123 132 269 292 281 4887 4888 trap 'echo mytrap' EXIT; date
05 98 112 123 132 233 256 278 4887 4888 date; echo hi
06 91 104 115 132 209 256 254 4872 4888 echo hi; date
07 132 149 158 189 268 313 318 4922 4938 date; date
08 132 149 158 189 292 313 319 4920 4936 { date; date; }
09 132 149 158 189 292 313 319 4920 4936 date; { date; }
10 149 171 175 198 310 331 373 4947 4948 . _tmp/sourced.sh
11 40 50 64 73 174 184 203 4824 4825 (echo hi)
12 90 101 114 133 239 262 256 4872 4888 (date)
13 90 102 114 133 247 270 262 4870 4886 ( ( date ) )
14 98 114 123 134 249 272 290 4887 4888 ( ( date ) ); echo hi
15 91 105 115 134 241 264 260 4872 4888 echo hi; (date)
16 91 105 115 134 241 264 260 4872 4888 echo hi; (date;)
17 41 53 65 74 175 185 207 4823 4838 echo hi; (echo hi;)
18 92 108 116 147 242 285 264 4873 4889 echo hi; (echo hi; date)
19 48 62 73 74 176 186 231 4838 4839 ( echo hi ); echo hi
20 96 105 118 139 234 257 256 4877 4895 date > /tmp/redir.txt
21 93 119 117 141 242 265 259 4877 4895 (date;) > /tmp/sentence.txt
22 163 167 187 231 321 355 363 4945 4965 date 2> /tmp/stderr.txt | wc -l
23 48 57 70 66 154 166 201 4831 4832 echo hi > /tmp/redir.txt
24 43 60 67 81 177 187 205 4831 4846 (echo hi;) > /tmp/sentence.txt
25 115 119 139 174 264 285 312 4898 4918 echo hi 2> /tmp/stderr.txt | wc -l
26 98 113 123 146 262 284 287 4887 4888 (date; echo hi)
27 106 124 131 154 250 292 293 4894 4895 echo $(date)
28 55 73 81 93 185 194 237 4845 4846 echo $(echo hi)
29 106 125 131 154 279 300 299 4894 4895 echo $( ( date ) )
30 114 138 140 169 282 303 328 4911 4912 echo $( ( date ); echo hi )
31 48 62 73 74 176 186 231 4838 4839 ( echo hi ); echo done
32 157 162 183 227 318 352 360 4938 4958 date | wc -l
33 157 178 183 226 318 352 360 4957 4823 ! date | wc -l
34 107 112 133 167 261 282 310 4889 4909 echo a | wc -l
35 107 112 133 167 261 282 353 4889 4909 command echo a | wc -l
36 157 170 183 226 318 380 360 4938 4958 command date | wc -l
37 157 186 183 227 318 380 360 4957 4823 ! command date | wc -l
38 157 162 183 227 326 360 367 4938 4958 ( date ) | wc -l
39 140 171 195 200 298 318 319 4927 4928 date | read x
40 108 115 134 168 262 283 289 4890 4910 { echo a; echo b; } | wc -l
41 110 132 135 169 264 285 320 4911 4912 { echo a; echo b; } | wc -l; echo done
42 159 167 185 241 350 383 344 4941 4960 { echo a; date; } | wc -l
43 108 115 134 168 262 283 317 4890 4910 ( echo a; echo b ) | wc -l
44 108 116 134 168 272 293 324 4890 4910 ( echo a; echo b ) | ( wc -l )
45 109 120 135 183 302 322 303 4891 4911 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 66 78 82 201 210 233 4837 4838 echo hi & wait
47 104 117 128 142 258 280 283 4888 4889 date & wait
48 117 137 139 178 287 307 325 4905 4906 echo hi | wc -l & wait
49 167 184 193 237 344 377 374 4954 4955 date | wc -l & wait
50 105 125 129 143 296 318 290 4888 4889 trap 'echo mytrap' EXIT; date & wait
51 171 195 190 238 398 431 381 4956 4957 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 133 136 153 326 346 318 4900 4901 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5489 6236 6804 8063 13481 14764 15230 254356 254592