Record Case Detail

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 pwd: /out/package
ppid: 4533
   1: WRITELN /bin/ls &
   2: WRITELN sleep 0.2
   3: WRITELN sleep 0.2 &
   4: WRITELN jobs
   5: WRITELN sleep 0.4
   6: WRITELN exit
exit: 1

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

mumsh $ /bin/ls: cannot access '&': No such file or directory
sleep: invalid time interval '&'
Try 'sleep --help' for more information.
non-existing: No such file or directory

=================================================================
==4538==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 1024 byte(s) in 1 object(s) allocated from:
    #0 0x4dd350  (/out/package/mumsh_memory_check+0x4dd350)
    #1 0x515d16  (/out/package/mumsh_memory_check+0x515d16)
    #2 0x7f993b921b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 80 byte(s) in 1 object(s) allocated from:
    #0 0x4dd350  (/out/package/mumsh_memory_check+0x4dd350)
    #1 0x517141  (/out/package/mumsh_memory_check+0x517141)
    #2 0x515e17  (/out/package/mumsh_memory_check+0x515e17)
    #3 0x7f993b921b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 80 byte(s) in 1 object(s) allocated from:
    #0 0x4dd350  (/out/package/mumsh_memory_check+0x4dd350)
    #1 0x518d79  (/out/package/mumsh_memory_check+0x518d79)

mumsh $ [1] /bin/ls &
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ [2] sleep 0.2 &
mumsh $ [1] done /bin/ls &
[2] running sleep 0.2 &
mumsh $ mumsh $ exit

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