Number of Syscalls
ID dash yash ash mksh bash-5 bash-4 zsh osh ysh Description
01 40 49 64 59 144 156 194 4826 4827 echo hi
02 90 100 114 117 207 232 250 4874 4890 date
03 90 100 114 131 207 232 250 4874 4890 date ;
04 98 116 123 132 269 292 281 4893 4894 trap 'echo mytrap' EXIT; date
05 98 112 123 132 233 256 278 4895 4896 date; echo hi
06 91 104 115 132 209 256 254 4880 4896 echo hi; date
07 132 149 158 189 268 313 318 4924 4940 date; date
08 132 149 158 189 292 313 319 4928 4944 { date; date; }
09 132 149 158 189 292 313 319 4928 4944 date; { date; }
10 149 171 175 198 310 331 373 4955 4956 . _tmp/sourced.sh
11 40 50 64 73 174 184 203 4826 4827 (echo hi)
12 90 101 114 133 239 262 256 4874 4890 (date)
13 90 102 114 133 247 270 262 4878 4894 ( ( date ) )
14 98 114 123 134 249 272 290 4893 4894 ( ( date ) ); echo hi
15 91 105 115 134 241 264 260 4880 4896 echo hi; (date)
16 91 105 115 134 241 264 260 4880 4896 echo hi; (date;)
17 41 53 65 74 175 185 207 4831 4846 echo hi; (echo hi;)
18 92 108 116 147 242 285 264 4879 4895 echo hi; (echo hi; date)
19 48 62 73 74 176 186 231 4844 4845 ( echo hi ); echo hi
20 96 105 118 139 234 257 256 4883 4901 date > /tmp/redir.txt
21 93 119 117 141 242 265 259 4883 4901 (date;) > /tmp/sentence.txt
22 163 167 187 231 321 355 363 4951 4971 date 2> /tmp/stderr.txt | wc -l
23 48 57 70 66 154 166 201 4837 4838 echo hi > /tmp/redir.txt
24 43 60 67 81 177 187 205 4837 4852 (echo hi;) > /tmp/sentence.txt
25 115 119 139 174 264 285 312 4904 4924 echo hi 2> /tmp/stderr.txt | wc -l
26 98 113 123 146 262 284 287 4895 4896 (date; echo hi)
27 106 124 131 154 250 292 293 4911 4914 echo $(date)
28 55 73 81 93 185 194 237 4862 4863 echo $(echo hi)
29 106 125 131 154 279 300 299 4913 4914 echo $( ( date ) )
30 114 138 140 169 282 303 328 4927 4928 echo $( ( date ); echo hi )
31 48 62 73 74 176 186 231 4844 4845 ( echo hi ); echo done
32 157 162 183 226 318 352 360 4946 4966 date | wc -l
33 157 177 183 226 318 352 360 4965 4831 ! date | wc -l
34 107 112 133 167 261 282 310 4897 4917 echo a | wc -l
35 107 112 133 167 261 282 353 4895 4915 command echo a | wc -l
36 157 170 183 226 318 380 360 4944 4964 command date | wc -l
37 157 186 183 226 318 380 360 4963 4829 ! command date | wc -l
38 157 162 183 226 326 360 367 4946 4966 ( date ) | wc -l
39 140 171 195 200 298 318 319 4935 4936 date | read x
40 108 115 134 168 262 283 289 4896 4916 { echo a; echo b; } | wc -l
41 110 132 135 169 264 285 320 4917 4918 { echo a; echo b; } | wc -l; echo done
42 159 167 185 241 350 383 344 4947 4967 { echo a; date; } | wc -l
43 108 115 134 168 262 283 317 4896 4916 ( echo a; echo b ) | wc -l
44 108 116 134 168 272 293 324 4896 4916 ( echo a; echo b ) | ( wc -l )
45 109 120 135 183 302 322 303 4895 4915 { echo prefix; ( echo a; echo b ); } | ( wc -l )
46 54 66 78 82 201 210 233 4845 4846 echo hi & wait
47 104 117 128 142 258 280 283 4890 4891 date & wait
48 117 137 139 178 287 307 325 4911 4912 echo hi | wc -l & wait
49 171 188 189 237 344 377 374 4962 4963 date | wc -l & wait
50 105 125 129 143 296 318 290 4894 4895 trap 'echo mytrap' EXIT; date & wait
51 172 196 194 238 398 431 381 4960 4961 trap 'echo mytrap' EXIT; date | wc -l & wait
52 112 133 136 153 326 346 318 4906 4907 { trap 'echo mytrap' EXIT; date; } & wait
TOTAL 5494 6240 6804 8060 13481 14764 15230 254715 254954