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have sh print prompt with write, not printf, to make

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system call lecture a little clearer.
This commit is contained in:
Robert Morris 2022-08-10 06:42:17 -04:00
parent 311479ceb7
commit c3a17f454a
1 changed files with 1 additions and 1 deletions
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user/sh.c
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@ -134,7 +134,7 @@ runcmd(struct cmd *cmd)
int
getcmd(char *buf, int nbuf)
{
fprintf(2, "$ ");
write(1, "$ ", 2);
memset(buf, 0, nbuf);
gets(buf, nbuf);
if(buf[0] == 0) // EOF