Bash Linux commands

File system consistency check and repair

fsck

File Transfer Protocol

ftp

Define Function Macros

function

Identify/kill the process that is accessing a file

fuser

Find and Replace text within file(s)

gawk

Parse positional parameters

getopts

Search file(s) for lines that match a given pattern

grep

Print group names a user is in

groups

Compress or decompress named file(s)

gzip

Remember the full pathname of a name argument

hash

Output the first part of file(s)

head

Display help for a built-in command •

help

Command History

history

Print or set system name

hostname

Print user and group id's

id