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Linux

Linux admin alias ar arch: Prints machine hardware name (same as uname -m) asa at awk b2sum: Computes and checks BLAKE2b message digest base32: Encodes or decodes Base32, and prints result to standard output base64: Encodes or decodes Base64, and prints result to standard output basenc: Encodes or decodes various encodings like Hexadecimal, Base32, Base64, Z85 etc., and prints result to standard output basename: Removes the path prefix from a given pathname batch bc bg cc/c17 cal cat: Concatenates and prints files on the standard output cd cflow chcon: Changes file security context (SEL...
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CCNA Study Material   Network Interface Card (NIC) ·        NIC is the interface between the computer and the network. ·        It is also known as the LAN card or Ethernet card. ·        Ethernet card have a unique 48-bit address called as MAC (Media Access Control) address o    Mac address is also called as Physical Address or Hardware address            o    The 48-bit MAC Address is represented as Hexadecimal digits o    Example: 0016.D3FC.603F ·        Network cards are available at different speeds. o    Ethernet (10 Mbps) o    Fast Ethernet (100 Mbps) o    Gigabit Ethernet (1000 Mbps)   ARP - Address Resolution Protocol ·        With the help of ARP, MAC addresses are stored. ·        S...
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