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2

CHange MODe. [root@localhost /]# apropos -e chmod -s 1 chmod (1) - change file mode bits [root@localhost /]#


3

I assume he meant aligned columns, not columnar data in general. That's how I would understand the stringently anyway. For example: Bad: 1 200 3 100 3 400 Good: 1 200 3 100 3 400 In other words, make files that are easy for computers to read, not for humans. Adding spaces to align things makes them pretty and easier for you and me to understand ...


2

Yes, OpenSolaris includes the Bourne Shell source but that source is not portable. A maintained and highly portable version of the Bourne Shell source can be found here in the schily-*.tar.bz2 archives. Here is the related part of the source in cmd.c: /* * ^ is a relic from the days of UPPER CASE ONLY tty model 33s */ if ((t = item(TRUE)) != 0 ...


3

The POSIX standard says: "Filenames beginning with a ( '.' ) and any associated information shall not be written out unless explicitly referenced, the -A or -a option is supplied, or an implementation-defined condition causes them to be written." Being root is evidently not considered a condition which causes hidden files to be written by the GNU ...


5

Yank is a synonym for pull: it captures the concept of pulling text to the buffer or clipboard for later use. As to why Bill Joy chose to use this term, I can only speculate that as p was already in use (an abbreviation for put) he wanted an mnemonic that was a single letter (as per the design of vi's progenitor, ed and then ex ) and evocative of the ...



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