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#part of the code, inside a function local pending readarray -d $'\0' pending < \ <(find /var/lib/fwupd/pending -type f -size -100c -print0 2>/dev/nul 阅读全文
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Patterns and Pttern Matching We’ll continue refining our solution to Task 4-1 later in this chapter. The next type of string operator is used to match 阅读全文
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apps VS plugins VS extensions 1: Just to add to the above answer which was missing difference between Plugin and Extension is: Plugin is a third-party 阅读全文
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A Linux system actually has two clocks: One is the battery powered "Real Time Clock" (also known as the "RTC", "CMOS clock", or "Hardware clock") whic 阅读全文
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CHAPTER 10|bash Administration Installing bash as the Standard Shell # cor@debian:~/shell/mar17$ cat 3.sh IFS=: for d in $PATH;do echo checking $d: cd 阅读全文
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CHAPTER 9|Debugging Shell Programs This chapter looks at some useful features that you can use to debug shell programs.We’ll look at how you can utili 阅读全文
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CHAPTER 8 Process Handling Process IDs and Job Numbers UNIX gives all processes numbers, called process IDs, when they are created. Job Control Foregr 阅读全文
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Command-Line Processing it separates lines into words, according to delimiters in the environment variable IFS; and it assigns the words to shell vari 阅读全文
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Chapter 7 Input/Output and Command-Line Processing I/O Redirectors The redirector <> is mainly meant for use with device files (in the /dev directory) 阅读全文