[TUHS] UNIX Backslash History
bakul at bitblocks.com
Mon Oct 28 06:46:21 AEST 2019
On Sun, 27 Oct 2019 16:31:28 -0400 Doug McIlroy <doug at cs.dartmouth.edu> wrote:
> > What is the special meaning of using / as directory partition in UNIX? And
> \ as the escape character.
> \ came from Multics. The first day Multics ran at Bell Labs Bob Morris
> famously typed backslash-newline at the login prompt and crashed the
> Multics had a hierarchical file system, too, but I don't recall how
> pathnames were punctuated.
From what I read:
>dir1>dir2>file1 -- absolute: /dir1/di2/file1
file1 -- relative: if >dir1>dir2 is the working dir
<file2 -- relative: ../file2 == >dir1>file2
<dir3>file4 -- ../dir3/file3
<<dir4>file5 -- ../../dir4/file5 == >dir4>file5
<< is more compact thant ../.. and I like the vertical symmetry of < and >!
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