Chapter 2. Have a Good Command

In this chapter, we will cover:

• Concatenating with cat

• Recording and playingback of terminal sessions

• Finding files and file listing

• Playing with xargs

• Translating with tr

• Checksum and verification

• Cryptographic tools and hashes

• Sorting unique and duplicates

• Temporary file naming and random numbers

• Splitting files and data

• Slicing filenames based on extension

• Renaming and moving files in bulk

• Spell checking and dictionary manipulation

• Automating interactive input

• Making commands quicker by running parallel processes