Record Case Detail

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 pwd: /out/package
ppid: 89827
   1: WRITELN echo 123 > 1.txt
   2: WRITELN head < 1.txt
   3: WRITELN diff -y - 1.txt < 1.txt
   4: WRITELN ls
   5: WRITELN exit

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

However, you will still get Wrong Answer because the complete output may be longer and there might be errors in the future lines.

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

mumsh $ 123 > 1.txt
mumsh $ head: cannot open '<' for reading: No such file or directory
head: cannot open '1.txt' for reading: No such file or directory
mumsh $ diff: extra operand '<'
diff: Try 'diff --help' for more information.
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ 
=================================================================
==89833==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 160 byte(s) in 1 object(s) allocated from:
    #0 0x4dc8e0  (/out/package/mumsh_memory_check+0x4dc8e0)
    #1 0x514e43  (/out/package/mumsh_memory_check+0x514e43)
    #2 0x7fb411a08b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 43 byte(s) in 14 object(s) allocated from:
    #0 0x4dc8e0  (/out/package/mumsh_memory_check+0x4dc8e0)
    #1 0x51534f  (/out/package/mumsh_memory_check+0x51534f)
    #2 0x7fb411a08b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 18 byte(s) in 5 object(s) allocated from:
    #0 0x4dc8e0  (/out/package/mumsh_memory_check+0x4dc8e0)
    #1 0x5150e8  (

mumsh $ mumsh $ 123
mumsh $ 123								123
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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